Public Health Expert Witnesses
The SEAK Expert Witness Directory contains a comprehensive list of public health expert witnesses who testify, consult and provide litigation support on public health and related issues. Public health expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, and provide expert witness testimony at deposition and trial. The issues and subjects these public health expert witnesses testify regarding may include: Public Health, Urgent Care, Covid, Covid 19, Epidemiology, Air Quality, Asbestos, Data Science, Forensic Toxicology, Heavy Metals, OSHA, Risk Assessment, Sepsis, Statistics, and Travel Medicine.
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Lucy H Fraiser, PhD, DABT
Lucy Fraiser Toxicology
Fayetteville, Arkansas
Toxicology, Environmental
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risk assessment, public health, air quality, NAAQS, risk-based corrective action, ozone (O3), nitrogen oxides (NO2), sulfur dioxide (SO2), hydrogen sulfide (H2S), particulate matter (PM), chemicals
Dr. Lucy Fraiser is a board-certified toxicologist with over 25 years of experience in the areas of exposure and risk assessment, health effects and toxicology evaluations, development of quantitative toxicity criteria, development of risk-based air quality guidelines and soil cleanup criteria, and risk communication.
Dr. Fraiser has conducted hundreds of exposure assessments for chemicals used in pharmaceutical laboratories and industrial processes, chemicals applied to control pests and unwanted vegetation, and chemicals released as unwanted by-products of chemical and product manufacturing, combustion of fossil and waste-derived fuels, generation of electricity, petroleum refining, smelting, rock crushing, and activities at military installations.
Dr. Fraiser has been qualified as an expert, deposed, and has provided expert testimony in contested case hearings, criminal case hearings, Federal Civil suits, and toxic tort litigation on numerous occasions.
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Lawrence S Mayer, MD, MS, PhD
Epidemiology & Public Health - Emeritus Professor
Lawrence Mayer, MD, MS, PhD
Laguna Beach, California
Epidemiology, Public Health
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Biostatistics, Statistics, Causality, Study Design, Model Evaluation, Malpractice, Toxic Torts, Patent Disputes, Covid-19, Statistical Models, Data Analysis, Covid-19
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Michael J Kosnett, MD, MPH, DFACMT
Medical Toxicology and Occupational/Environmental
California
Toxicology, Occupational Medicine
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Lead poisoning, cannabis, drug testing, alcohol, marijuana, environmental toxicology, occupational toxicology, arsenic poisoning, forensic toxicology, DUI, risk assessment, aviation toxicology, medical monitoring, risk communication, heavy metals, environmental health, public health, carbon monoxide, occupational cancer, fire toxicology
2016 Recipient of the American College of Medical Toxicology Matthew J. Ellenhorn Award [career achievement award in recognition
of “extraordinary contributions to the field of medical
toxicology”]
Diplomate, American Boards of Internal Medicine, Preventive Medicine (Occupational Medicine), and Medical Toxicology
Distinguished Fellow of the American College of Medical Toxicology (DFACMT)
Active Medical Licensure in Colorado and California
Professional activities have included:
• Past President, American College of Medical Toxicology
• Committee on Toxicology of the National Academy of Sciences
• NIOSH Board of Scientific Counselors
• CDC Advisory Committee on Childhood Lead Poisoning Prevention
• EPA Science Advisory Board panels (lead in air, water, dust)
• ATSDR expert panels (lead biomonitoring, hair analysis)
• WHO consultant and temporary advisor (arsenic in drinking water, chelation of heavy metals)
• Consultant to US Air Force Science Advisory Board (F-22)
• Consultant to the...
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Jerry A. Formisano, Jr., PhD, CIH
Exposure analysis by math modeling per the AIHA
GKO Environmental Health Services, LLC
California
Industrial Hygiene, Public Health
-
mathematical modeling, asbestos, pesticides, carbon composite fibers, reproductive agents, solvents, aerosol movement, exposure reconstruction, dose reconstruction
Asbestos and Man-Made Fibers:
- Ten years’ experience in counting and identification of asbestos fibers, 1987 -1997.
- Designed and documented clean-up and sampling procedures of USMC Harrier AV-8B mishap,
Havelock, NC. Among the first scientists to collect data on damaged composite fiber
materials, 1988.
- Designed, supervised, and assisted with cleanup of major asbestos removal project, saving more
than $150,000 in contract costs, Naval Air Rework Facility, MCAS Cherry Point, NC, 1988.
- Provided industrial hygiene support from Naval Base Subic, Philippines, for asbestos removal
and remediation after major steam pipe explosion on board USS MIDWAY, 1990.
- Identified over 500 samples of asbestos containing material aboard USS INDEPENDENCE,
saving more than $25,000 in contracted costs. Designed, supervised, and performed asbestos rip-
outs while at sea. Performed all clearance sampling. Coordinated local national (Japan)
asbestos removal procedures, 1992-1994...
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Anthony C Chang, MD, MBA, MPH, MS
Seasoned Expert in Pediatric Cardiology and AI
Children's Hospital of Orange County
Irvine , California
Pediatric Cardiology, Pediatric Critical Care Medicine
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Congenital Heart Disease, Artificial Intelligence, Sudden Death, Cardiac Intensive Care, Heart Failure, Postoperative Care, Pulmonary Hypertension, Adult with Congenital Heart Disease, Public Health, Sports Medicine, Cardiac Surgery
Seasoned expert witness in pediatric cardiology and cardiac intensive care with AI background. I have been involved in well over 200 cases over period of 35 years. Training and attending services at the top pediatric heart programs. Frequent speaker in pediatric cardiology, cardiac intensive care, and artificial intelligence at the international level. Editor of the textbooks Pediatric Cardiac Intensive Care and Heart Failure in Children and Young Adults with expertise in congenital heart disease, perioperative care, cardiomyopathy, pulmonary hypertension, and sudden death in pediatric patients. Strong background in artificial intelligence in medicine and editor of textbook and journal called Intelligence-Based Medicine.
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Daniel T. Halperin, PhD
Covid-19/Public Health experienced expert witness
Gillings School of Global Public Health, University of North Carolina at Chapel Hill
Albany, California
Infectious Diseases, Public Health
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Covid-19, Covid vaccines, Epidemiology, HIV, AIDS, Masks, Prevention, Pandemics, Covid, Covid vaccine, COVID, Pandemic, COVID-19, COVID-19 vaccine, COVID-19 vaccines
Daniel Halperin is an internationally recognized expert in public health and infectious diseases, specializing in HIV-AIDS and Covid-19. Dr. Halperin has served as an expert witness in a wide variety of litigation, involving masking and other restrictions as well as COVID-19 vaccines, including for example vaccine-related injuries and regarding the lack of scientific evidence to justify mandating that children be vaccinated against Covid-19. He has taught and conducted research on the faculties of Harvard University and the University of California, San Francisco. He has published over 15 articles on Covid-19, including in the Annals of Internal Medicine, Cambridge University Press, Washington Post, Wall Street Journal, San Francisco Chronicle, and Time magazine, and is author of the highly regarded book, "Facing Covid Without Panic."
Reviews:
“Dr. Halperin supported our legal team by providing great testimony and giving invaluable help in preparing to question the opposing expert...
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Josh Shoemaker
Experienced Urban & Public Health Entomologist
Carlsbad, California
Entomology, Public Health
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Cockroaches, Bed bug, Mites, Pest Control, Infestation, IPM, Fly, Moth, Insect, Kissing bugs, Pest Management, Vermin, Rodent, Rats, Mice, Pesticide, Tick, Spider, Bedbug, Bite
With over 30 years of experience in pest management, I offer expert witness services that bring a depth of scientific knowledge and practical expertise to the courtroom. I hold a Master’s Degree in Entomology from the University of Nebraska, a Graduate Certificate in Public Health from the University of Missouri, and several professional licenses. I spent many years working in various roles for a pesticide manufacturer, where I introduced new products, helped solve pest challenges in the field, and tested materials. I also developed continuing education training courses and performed training on the biology of urban pests, integrated pest management, and the proper use of materials for many of the top pest management companies. As an independent consultant, I have provided entomological services to industry associations, property managers, landlords, public housing authorities, and more. My qualifications equip me to provide reliable testimony on many vermin issues, including pest i...
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Mason D. Harrell, III, MD, MPH, FACOEM
San Diego, California
Occupational Medicine, Public Health
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Chemical Exposures, Heat Injuries, Asbestos, Dust, Mold, Air Quality, Heavy Metals, Radiation, Toxicology, Fitness for Duty, Return to Work, Malingering, Stress, Violence, PTSD, Personal Injury, Disability, Chronic Pain, Telemedicine, Primary Care
Harvard Instructor of Physicians, Harvard-trained (Residency & MPH), double board-certified, full-time practicing physician in Occupational and Environmental Medicine, Public Health, and General Preventive Medicine. Medical expert work with the Massachusetts Institute of Technology (MIT), the World Health Organization (WHO), American College of Occupational and Environmental Medicine (ACOEM), and MDGuidelines®. Published original research on Long Term and Short Term Disability in ACOEM’s Journal of Occupational and Environmental Medicine and chapter author of Psychological Factors and Workforce Health in ACOEM’s Occupational Health Guide. Published with the World Health Organization in the Journal of Infectious Disease on Ebola infections in health care workers.
His involvement in the coronavirus (COVID-19) response includes instructing medical, health, and safety professionals, creating policies and procedures, directing preventive medicine and public health, mitigating transmiss...
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Steven Madhavan, M.D., M.P.H.
Johns Hopkins Trained M.P.H. and Occ Med Expert
Expedient Medicolegal Services
Burbank, California
Occupational Medicine, Public Health
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Standard of Care, Policy Consultation and Implementation, Fitness for Duty, IME, Disability Evaluation and Rating, Disaster Protocals, Military Medical Officer, Workplace Safety, Functional Capacity, Post-Exposure Policy, Drug Testing policies within clinical care settings, Medical Surveillance
Dr. Steven Madhavan, M.D., M.P.H., is a highly accomplished physician specializing in occupational and environmental medicine, preventive medicine, and family medicine. He holds board certifications in Occupational and Environmental Medicine as well as Family Practice. Dr. Madhavan completed his fellowship in Occupational and Environmental Medicine at the Johns Hopkins University Bloomberg School of Public Health while simultaneously earning a Master’s degree in Public Health. He completed his first residency in Family Medicine at Genesys Regional Medical Center and earned his Doctor of Medicine degree from Michigan State University College of Human Medicine.
Dr. Madhavan has dedicated his career to advancing public health and patient care through clinical leadership, education, and innovative programs. He is known for his expertise in lifestyle medicine, chronic disease management, and preventive care, along with his extensive contributions to disaster preparedness and occupationa...
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Bhaskar Kura, PhD, PE
i2Care, Inc.
California
Environmental Engineering, Industrial Hygiene
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Air Quality Modeling, Indoor Air Quality, Hazardous Air Pollutants, Public Health, Cancer Risk, Worker Health, Worker Injury, Workplace Injury, Pollution, Pollution Prevention, Hazardous Waste, Solid Waste, Medical Waste, Exposure Assessment, Emissions Modeling, Water Pollution, GHG Emissions
Dr. Bhaskar Kura is a higher education leader and has 35 years of professional experience as a professor, researcher, and scientist in the filed of environmental engineering. Over the years, he worked in industry, consulting, and academia. He is a registered Professional Environmental Engineer in the State of Louisiana.
He published more than 100 technical articles and supervised graduate students for their MS and PhD degrees. His core areas of expertise include, but not limited to:
(1) Atmospheric Dispersion Modeling
(2) Indoor Air Quality
(3) Exposure Assessment (Public and Worker Health Risk Evaluation)
(4) Water and Air Pollution Assessment
(5) Waste Management
(6) Pollution Prevention
(7) Life Cycle Costing and Life Cycle Assessment
(8) Evaluation of Toxicity and Hazard of Materials and Wastes
(9) Green House Gas Emissions Assessment / Management
(10) Compliance Evaluation with Federal, State, and Local Regulations
(11) Inverse Dispersion Modeling to Evaluate Source Str...
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Lello Tesema
Public Health Physician Leader
Sherman Oaks, California
Public Health, Correctional Healthcare
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Food Safety, Communicable Disease, Public Health, Correctional Health, Foodborne Illness, Disease Outbreak Management, Disease surveillance, Quality of Care, Standard of Practice
Nationally recognized Public Health physician with over a decade of leadership experience working in local and state public health in a variety of domains including correctional health, disease outbreak management, food and waterborne disease and clinic services. She serves as a Chief Physician for the LA County Department of Public Heath. She is Board certified in Internal Medicine practices clinically in addition to her administrative duties.
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Michael J Kosnett, MD, MPH, DFACMT
Medical Toxicology and Occupational/Environmental
Denver, Colorado
Toxicology, Occupational Medicine
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Lead poisoning, cannabis, drug testing, alcohol, marijuana, environmental toxicology, occupational toxicology, arsenic poisoning, forensic toxicology, DUI, risk assessment, aviation toxicology, medical monitoring, risk communication, heavy metals, environmental health, public health, carbon monoxide, occupational cancer, fire toxicology
2016 Recipient of the American College of Medical Toxicology Matthew J. Ellenhorn Award [career achievement award in recognition
of “extraordinary contributions to the field of medical
toxicology”]
Diplomate, American Boards of Internal Medicine, Preventive Medicine (Occupational Medicine), and Medical Toxicology
Distinguished Fellow of the American College of Medical Toxicology (DFACMT)
Active Medical Licensure in Colorado and California
Professional activities have included:
• Past President, American College of Medical Toxicology
• Committee on Toxicology of the National Academy of Sciences
• NIOSH Board of Scientific Counselors
• CDC Advisory Committee on Childhood Lead Poisoning Prevention
• EPA Science Advisory Board panels (lead in air, water, dust)
• ATSDR expert panels (lead biomonitoring, hair analysis)
• WHO consultant and temporary advisor (arsenic in drinking water, chelation of heavy metals)
• Consultant to US Air Force Science Advisory Board (F-22)
• Consultant to the...
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Kristen Good, MEM, PhD, CIH
Environmental & Occupational Exposure Scientist
Fort Collins, Colorado
Epidemiology, Industrial Hygiene
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public health, environmental health, exposure science, exposure assessment, chemical hazard, indoor air quality, aerosols, wildfire, wildfire smoke, COVID-19, OSHA, exposure modeling, inhalation, pandemic, occupational health, occupational safety, toxicology, risk assessment, emergency management, heat
Dr. Kristen Good is an Epidemiologist, Certified Industrial Hygienist (CIH), and Exposure Scientist with 15+ years of background and experience in risk assessment, toxicology, exposure assessment, and environmental sciences, across academia/research, private industry, and government sectors. She has a Ph.D. in Environmental Health with an epidemiology concentration from Colorado State University, a Master's degree in Environmental Management, toxicology focus, from Duke University, and a B.S. in Biology from Boston College. Her experience has included work on various indoor air quality topics (including COVID and other bioaerosols and respiratory pathogens, wildfire smoke/biomass burning, mold, and occupational chemical exposures), human subjects studies including controlled exposures/randomized controlled trial designs, and chemical risk assessment.
Dr. Good has served as the leading technical authority in occupational health and indoor air quality at the Colorado Department of P...
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Delcina Augustin Doreus, DrPh, MPA, RN-BSN
Tampa, Florida
Long Term Care, Legal Nurse Consulting
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Public Health, Dementia, Urgent Care, Hospice, Palliative, Policy & Procedure, Documentation, Intravenous access, Prison RN, Nurse Manager, Spinal Cord, Nurse Educator, Hospital Protocol, Evidence Base Care, Diabetes prevention Educator, Veteran's Health, Infection Control, wound Care
Relevant Information about my experiences:
Dr. Augustin ensures administrative support and guidance while providing oversight for care delivery by enforcing public safety. She is an expert in developing policies and procedures. Dr. Augustin collaborates with executive leadership to contribute to strategic planning, innovation, recruitment, and staff retention. She is responsible for assuring compliance with Joint Commission and other internal/external regulatory agencies implementing actions to meet established performance measures. Dr. Augustin creates competency-based programs for nursing staff. She develops educational activities such as remediation, certification, mentoring, life support, Joint Commission requirements, product rollouts, etc. Dr. Augustin served as the VA facility's clinical instructor supervisor for several years. She covered all areas, including telephone care lines, care coordination, ambulatory care (outpatient clinics, specialty clinics, dialysis, bar...
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Aaron L Hilliard, PhD
Forensic Toxicologist Johns Hopkins Trained
Health Matters EMPT
Jacksonville, Florida
Pharmacology- Clinical, Toxicology
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DUI, Medication Adverse Effects, Overdose, Personal Injury, Medical Malpractice, Toxic Exposure, Medication Errors, Adverse Drug Reactions, Lead, Mold, Pesticides, Wrongful Death, Retrograde Extrapolation, Alcohol, Drugs of Abuse, Environmental Exposure, Postmortem Toxicology, Forensic Toxicology, Litigation Support, Public Health
Dr. Aaron Hilliard obtained his Doctor of Philosophy degree in Pharmacology/Toxicology from Meharry Medical College. After completing his Ph.D., he continued his research in Pharmacology and Forensic Toxicology at the Johns Hopkins School of Public Health, Division of Toxicological Sciences. Dr. Hilliard has served at the Florida Department of Health and held faculty appointments at the University of Florida. He is currently a tenured Associate Professor at Florida A&M University in the College of Pharmacy. He has authored several peer-reviewed publications related to pharmacology, toxicology, and the environmental impact of chemicals. Dr. Hilliard also brings 25 years of experience providing deposition and trial testimony in Pharmacology and Forensic Toxicology for both Plaintiff and Defense in Federal, State, Criminal, and Civil cases.
Dr. Hilliard is a highly qualified expert in toxicology and pharmacology, offering a deep scientific foundation and over 25 years of applied exper...
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Barry Gustin, MD, MPH
Experienced Toxicology & Emergency Medicine Expert
Miami, Florida
Emergency Medicine, Toxicology
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Emergency Medical Toxicology, Water Poisoning, Medical Toxicology, Public Health, Trauma, Forensic Toxicology, Diet and Disease, Urgent Care, Occupational Toxicology, Food Poisoning, Environmental Toxicology, Substance Abuse Toxicology
Dr. Gustin has had extensive education, training, and experience as a medical case reviewer and expert witness. He has personally evaluated and analyzed thousands of civil and criminal medical cases for both plaintiff and defendant, and is highly recommended by defense and plaintiff attorneys in civil and criminal actions. Dr. Gustin graduated from the University of Vermont magna cum laude, obtained a Master's degree in Nutrition, Biochemistry, and Metabolism from Goddard College, went to medical school at George Washington University in Washington DC where he distinguished himself as the President of the American Medical Student Association's section on Nutrition, Health Maintenance, and Disease Prevention. He also won the prestigious Joseph Goldberger Scholarship in Cardiology to the National Institutes of Health. After graduation, Dr. Gustin completed his Internship at the University of California, San Francisco (Alameda County Medical Center), and his residency training in Emerg...
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Aaron L Hilliard, PhD
Forensic Toxicologist Johns Hopkins Trained
Health Matters EMPT
Georgia
Pharmacology- Clinical, Toxicology
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DUI, Medication Adverse Effects, Overdose, Personal Injury, Medical Malpractice, Toxic Exposure, Medication Errors, Adverse Drug Reactions, Lead, Mold, Pesticides, Wrongful Death, Retrograde Extrapolation, Alcohol, Drugs of Abuse, Environmental Exposure, Postmortem Toxicology, Forensic Toxicology, Litigation Support, Public Health
Dr. Aaron Hilliard obtained his Doctor of Philosophy degree in Pharmacology/Toxicology from Meharry Medical College. After completing his Ph.D., he continued his research in Pharmacology and Forensic Toxicology at the Johns Hopkins School of Public Health, Division of Toxicological Sciences. Dr. Hilliard has served at the Florida Department of Health and held faculty appointments at the University of Florida. He is currently a tenured Associate Professor at Florida A&M University in the College of Pharmacy. He has authored several peer-reviewed publications related to pharmacology, toxicology, and the environmental impact of chemicals. Dr. Hilliard also brings 25 years of experience providing deposition and trial testimony in Pharmacology and Forensic Toxicology for both Plaintiff and Defense in Federal, State, Criminal, and Civil cases.
Dr. Hilliard is a highly qualified expert in toxicology and pharmacology, offering a deep scientific foundation and over 25 years of applied exper...
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Jerry A. Formisano, Jr., PhD, CIH
Exposure analysis by math modeling per the AIHA
GKO Environmental Health Services, LLC
Kailua, Hawaii
Industrial Hygiene, Public Health
-
mathematical modeling, asbestos, pesticides, carbon composite fibers, reproductive agents, solvents, aerosol movement, exposure reconstruction, dose reconstruction
Asbestos and Man-Made Fibers:
- Ten years’ experience in counting and identification of asbestos fibers, 1987 -1997.
- Designed and documented clean-up and sampling procedures of USMC Harrier AV-8B mishap,
Havelock, NC. Among the first scientists to collect data on damaged composite fiber
materials, 1988.
- Designed, supervised, and assisted with cleanup of major asbestos removal project, saving more
than $150,000 in contract costs, Naval Air Rework Facility, MCAS Cherry Point, NC, 1988.
- Provided industrial hygiene support from Naval Base Subic, Philippines, for asbestos removal
and remediation after major steam pipe explosion on board USS MIDWAY, 1990.
- Identified over 500 samples of asbestos containing material aboard USS INDEPENDENCE,
saving more than $25,000 in contracted costs. Designed, supervised, and performed asbestos rip-
outs while at sea. Performed all clearance sampling. Coordinated local national (Japan)
asbestos removal procedures, 1992-1994...
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Kory Gernhofer, DDS, MBA
Experienced General Dentist and Recognized Veteran
Chicago, Illinois
Dentist
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Crown and Bridge, Oral Pathology, Public Health, Removable Prosthodontics, Cosmetic Dentistry, Oral Surgery, Preventative Care, Pre-authorization Reviews, Root Canal Therapy, Occlusion, Medicare Advantage, Dental Consulting, Dental Radiology, Business acumen, Dental Appeals and Grievances, TMD
I have over 17 years of clinical experience as a general dentist. Immediately after graduating dental school, I served five years of active duty with the U.S. Navy, treating active duty service members and gaining valuable experience and insight from multiple specialist providers along the way. I completed a one year Advanced Education in General Dentistry program during my first year of service. I received numerous awards for my hard work and dedication to the oral health of our troops, including a Navy Achievement Medal. During my service, I produced millions of dollars worth of dental work for the military, and also played an integral role in getting service members ready for deployment during the pre-deployment Mojave Viper mission in the California desert, using mobile dental units. During my three year service with the U.S. Navy Reserves, I completed an integrated care humanitarian mission as a dental provider to the remote villages of Alaska, in an effort to help address...
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Sarita M Massey, MD, MPH, FACOG
Catalyst Health and Equity Solutions LLC
Chicago, Illinois
Public Health, Hospital Administration
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medical necessity, utilization management, Insurance clinical policy reviews, managed care, obstetrics, gynecology
Board Certified Obstetrician and Gynecologist with more than 3 decades of experience in healthcare. Experience with peer review including 10 years on State Medical Disciplinary Board. More than a decade of experience as Medical Director on provider and payor side, authoring policies and procedures, performing medical necessity review with specialization in prior authorization.
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Geoff Dougherty, PhD, MPH
Epidemiologist/Statistician - Skilled Communicator
Baltimore, Maryland
Epidemiology, Statistics
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Quality of Medical Care, Hospital Quality, Data Science, Surveys, Public Health
Dr. Dougherty holds a PhD in epidemiology and a masters of public health from Johns Hopkins Bloomberg School of Public Health, the nation's preeminent public health institution. He has served in leadership capacities in government, commercial and academic settings, providing deep expertise in empirical study design and statistical methods. For several year years, Dr. Dougherty served as principal investigator for the U.S. News and World Report hospital rankings program, and is a nationally recognized expert in measuring quality of medical care. Dr. Dougherty has expertise in statistical methods and study design for numerous health conditions, including cancer, diabetes, opioid use disorder and others.
Prior to his academic career, Dr. Dougherty served as a reporter, editor and data analyst for leading news publications, including the Miami Herald and law.com. He has years of experience covering legal affairs and observing courtroom proceedings, including civil and criminal trials....
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Mark Rohrer, MD, Master of Medical Science
Medical Doctor, Experienced Geriatrician
Expert Consulting Services
Marblehead, Massachusetts
Nursing Homes, Geriatrics
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Nursing Home, Standard of Care, Assisted Living, Memory Care Unit Specialist, Dementia Management, End-of-Life Care, Hospitalist Expert, Weight Loss, Infectious Disease Epidemiologist, Public Health, Clinical Teaching Expert, Health Policy Analyst, Medical Researcher, Nutrition
Dr. Mark B. Rohrer, MD – Expert Witness & Consultant
Professional Summary
Dr. Mark B. Rohrer is a board-certified internist and geriatrician offering expert consulting services for legal matters involving elder care, malpractice, and regulatory compliance. Through Expert Consulting Services, LLC, he provides comprehensive legal consulting, including case evaluations, medical record analysis, and expert testimony. Dr. Rohrer draws upon extensive clinical and leadership experience across hospitals, assisted living communities, and skilled nursing facilities.
Areas of Legal & Clinical Expertise
- Medical Malpractice & Wrongful Death: Expert case evaluation, record analysis, and testimony.
- Nursing Home & Assisted Living Standards: Facility operations, regulatory compliance, resident safety, medication management, and staffing adequacy.
- Geriatric & Internal Medicine: Acute and chronic disease management, dementia care, and fall prevention.
- Long-Term, Hospice & Palliative Car...
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Ellana Stinson, MD, MPH, MBA
Award Winning Emergency Medicine Physician
Ellana Stinson, MD, Professional Corporation
Boston, Massachusetts
Emergency Medicine, Public Health
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sepsis, neurologic emergencies, acute respiratory failure, emergency OB complications, health disparities, risk management, administration, airway management, mental health emergency, stroke, chest pain, neurologic emergency, locums, rural medicine, urgent care, hospital policies, standard of care, electronic medical records, COVID
Trusted medical expertise. Unmatched courtroom clarity.
Dr. Ellana Stinson, MD, MPH, MBA, is a board-certified emergency medicine physician with extensive clinical, academic, and leadership experience. She is currently in active practice at a Level 1 trauma center and has provided care across a diverse range of settings—from urban hospitals and rural emergency departments to standalone emergency care centers and community health clinics. Her testimony reflects a frontline understanding of medical decision-making under pressure, standard of care evaluations, and systems-level healthcare operations.
Dr. Stinson earned her Doctor of Medicine from Meharry Medical College, where she was inducted into the Alpha Omega Alpha Honor Medical Society. She completed her residency training in Emergency Medicine at the Medical College of Georgia, followed by a Master of Public Health in Health Policy and Management from the Harvard T.H. Chan School of Public Health, and a Master of Business A...
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Christopher M Worsham
Physician-epidemiologist | Harvard Faculty
Boston, Massachusetts
Epidemiology, Internal Medicine
-
public health, health policy, health economics, causal inference, econometrics, pulmonology, critical care, data analysis, insurance claims, health services, statistics, research, intensive care, hospital, causation, data science, outcomes, artificial intelligence
Dr. Christopher M. Worsham uses epidemiologic and econometric methods to perform large database research on causal associations, physician behavior, resource utilization, and health care policy as a faculty member of Harvard Medical School. He is also a practicing pulmonary and critical care physician at Massachusetts General Hospital and applies evidence-based medicine in his provision of health services and evaluation of scientific questions in health care settings. Dr. Worsham has particular research interest in the intensive care unit, for which he has received a career development grant award from the Agency for Healthcare Research in Quality. His research has been published in peer-reviewed journals including The New England Journal of Medicine, The BMJ, and JAMA Internal Medicine. An advocate of public education about medicine, health, statistics, epidemiology, and biomedical sciences, Dr. Worsham coauthored the book "Random Acts of Medicine" and has written for popular publi...
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Remington Nevin, MD, MPH, DrPH
Physician Epidemiologist - Former Military
Remington Nevin Medicolegal, PLLC
Port Huron, Michigan
Preventive Medicine, Occupational Medicine
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public health, travel medicine, epidemiology, pharmacoepidemiology, drug safety, preventive medicine, occupational medicine, malaria, antimalarials, mefloquine, chloroquine, hydroxychloroquine, primaquine, tafenoquine, quinoline, adverse events, vaccine safety, medical director
Remington Nevin, MD, MPH, DrPH, a former U.S. Army medical officer and current county health department medical director, is a physician epidemiologist and experienced expert witness in the fields of occupational medicine, preventive medicine, epidemiology, and public health. Trained in epidemiology at Johns Hopkins, board certified in Public Health and General Preventive Medicine and in Occupational Medicine by the American Board of Preventive Medicine, and licensed to practice medicine in five states (IL, MD, MI, NY, VT), Dr. Nevin is an active researcher, primarily in the field of drug safety. Dr. Nevin taught for 10 years at Johns Hopkins and has over 80 scientific publications with over 1,600 citations, primarily on topics related to antimalarial adverse effects, malaria, military mental health, and military-civilian health policy.
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Daniel Johnson
General Dentist & Implant Expert
Inver Grove Heights, Minnesota
Dentist, Public Health
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Dental Implants, Preventative Health, Oral Pathology, Dental Education, prosthetics, Dentures, Crown and Bridge, Bone Grafting, Surgical Complications, Nerve Injury Risk, Informed Consent, Dental Documentation, Dental Record Reviews, Treatment Planning
I am a practicing general dentist and dental practice owner in Minnesota. My clinical background includes general dentistry, implant dentistry, prosthetics, dentures, surgical extractions, bone grafting, oral pathology screening, treatment planning, informed consent, and dental documentation.
A large part of my clinical work involves diagnosing, treatment planning, placing and restoring implants, managing restorative and prosthetic complications, performing surgical extractions, grafting, evaluating radiographs, and helping patients understand realistic risks and expectations. I have particular experience with implant complications, denture and implant-retained prosthetic issues, crown and bridge treatment, retained root decision-making, post-operative complications, and documentation around surgical and restorative care.
I am a Fellow of the International Congress of Oral Implantologists and have additional training and clinical focus in implant dentistry. I also hold an MPH and ...
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Erik Blutinger, MD, MSc, FACEP
Critical Care Insight, Public Health Perspective
South Orange, New Jersey
Emergency Medicine, Public Health
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stroke, myocardial infarction, sepsis, spinal cord injury, meningitis, thromboembolism, appendicitis, cardiac arrythmia, bowel obstruction, intracranial hemorrhage, airway management, urgent care, cardiac arrest, traumatic injury, telemedicine, resuscitation, standard of care, advocacy, consultant
Dr. Erik Blutinger is board-certified, assistant professor of emergency physician, recognized for his expertise and extensive experience in clinical practice, leadership, global healthcare initiatives, and hospital administration. He graduated magna cum laude from Brandeis University before earning his MD from George Washington University. During medical school, Dr. Blutinger pursued an advanced Master's degree overseas in the United Kingdom (London), complementing his clinical acumen with specialized training in health policy, planning, and financing. He completed his residency in emergency medicine at the University of Pennsylvania. He is a fellow of the American College of Emergency Physicians (ACEP).
Dr. Blutinger's career has been marked by rapid advancement, notably appointed medical director in several roles for a large academic health system including utilization management / care management and community paramedicine. Beyond his clinical responsibilities, he is passionate ...
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Laura G Cooke, MD, MPH, FACP
LSG Consulting
Albuquerque, New Mexico
Internal Medicine, Preventive Medicine
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Urgent Care, Concierge Medicine, Direct Patient Care, Clinical Epidemiology, Public Health, Decision Analysis, Simulation Training, Curriculum Design, Virtual Environments
Laura Cooke, MD, MPH, FACP is board certified in Internal Medicine as well as Preventive Medicine and General Public Health. She is an Associate Professor of Medicine at University of California, San Diego. She currently runs a private concierge practice and teaches health science students. She has worked in both rural and urban health systems as well as private and academic and Veteran Health Administration systems. She has worked as an inpatient hospitalist, emergency department physician, urgent care physician, and primary care outpatient practice.
She has co-authored a textbook on clinical epidemiology and done research in disaster planning, training and teaching in virtual environments. She is especially skilled at reviewing records (both paper and electronic) for completeness and appropriate and timely referrals, as well as identifying correct site of care (e.g. emergency department, urgent care, outpatient office) for a particular medical problem. She has been doing medicole...
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Mark G Shrime, MD, MPH, PhD
Head and neck tumors / ENT - Harvard faculty
New York, New York
Public Health, Otolaryngology
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Head and neck surgery, Public health, Parotid, Thyroid, Surgery, Head and neck cancer, Endoscopy, Sinus surgery, Neck mass, Vocal cord paralysis, Larynx cancer, Tongue cancer, Oral cancer, Oropharyngeal cancer
Professor Mark G. Shrime, MD, MPH, PhD, FACS, is a Lecturer in Global Health and Social Medicine at the Harvard Medical School.
He previously served as the O’Brien Chair of Global Surgery at the Royal College of Surgeons in Ireland, as the founder and Director of the Center for Global Surgery Evaluation at the Massachusetts Eye and Ear Infirmary, and as Research Director for the Program in Global Surgery and Social Change at Harvard.
He is the author of seminal papers on the global burden of surgical disease, the financial burden facing surgical patients, and the number of people who cannot access safe surgery worldwide. He served as a co-author on the Lancet Commission on Global Surgery.
Dr. Shrime graduated summa cum laude from Princeton University in 1996 with a BA in molecular biology. He received his MD from the University of Texas in 2001, after taking a year to teach organic chemistry in Singapore. Medical school was followed by a residency in otolaryngology at the joint ...
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Karen J Greer, MD MPH
Primary Care and Public Health Pediatrician
New York, New York
Pediatrics, Public Health
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Paul M. Lantos, MD, MS
Pediatric Infectious Diseases, Duke University
Duke University School of Medicine
Durham, North Carolina
Pediatric Infectious Diseases, Public Health
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Lyme disease, COVID, malaria, typhoid, Rocky Mountain spotted fever, ehrlichiosis, tick-borne diseases, parasites, measles, pertussis, fever, cytomegalovirus, infected animal bites, vaccines, travel medicine, epidemiology, institutional review board (IRB), worker's compensation, custody
• Triple-boarded specialist in Pediatric Infectious Diseases, Pediatrics, and Internal Medicine
• Fellowship trained at Harvard Medical School, Boston Children's Hospital, and the Harvard School of Public Health
• COVID-19 experience, including case management, test interpretation, isolation and public health recommendations, personal and occupational protective measures, risk assessments for adults and children at risk of severe COVID-19, and return to work determinations for infected employees.
• Clinical and academic expertise in vector-borne infectious diseases (e.g. infections carried by ticks and mosquitoes), zoonotic infections (transmitted from animals, e.g. rabies, bartonella, cat scratch and cat bite fever), and environmental infectious diseases.
• Clinical and academic expertise in geographic and travel medicine, including clinical malaria and malaria prevention, travel vaccines, pre-travel counseling and risk assessments, post-travel evaluation, prevention and treat...
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Steven D High, MPH, MS, CIH, CSP, ARM, CHST, CXLT, EMT(PA)
Safety & Health (OSHA; Slips; Ind. Hygienist)
High Environmental Health & Safety Consulting Ltd.
Lancaster, Pennsylvania
Slip Trip & Fall, Industrial Hygiene
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Certified Industrial Hygienist, CIH, Workplace Safety, Occupational Safety, Chemical Exposure, Public Health, Trenching, Construction Safety, Rigging, Accident Investigation, Coefficient of Friction, Slip Resistance, Lockout, Electrical Safety, NFPA 70E, Air Quality, Noise, Safety Culture, OSHA, CSP
Over 30 years in Safety & Health.
Authorized Trainer and Instructor-Trainer for the OSHA Training Institute Outreach Education Center in Construction (exp) and General Industry.
Masters Public Health (MPH) (Hopkins), Masters in Safety Sciences (MS) (IUP)
Post-baccalaureate Certificates in Environmental Health & Industrial Hygiene (Johns Hopkins) / Epidemiology & Bio-statistics (Drexel).
Certified Safety Professional (CSP)
Certified Industrial Hygienist (CIH)
Construction Health & Safety Technician (CHST)
Emergency Medical Technician - PA (EMT)
Associate in Risk Management (ARM)
Certified XL Tribometrist (CXLT)(slip-resistance)
Frequent Public Speaker on Safety and Health Issues.
Creative approaches and perspectives to cases.
Defense and Plaintiff work.
Organization Participation and Memberships: Lancaster County Industrial Safety Council (officer positions); American Society of Safety Professionals (ASSP); American Industrial Hygiene Association (AHIA): Full Member; Member of t...
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Eileen E. Ming, MPH, ScD, FISPE
Epidemiologist
Epi Excellence LLC
Garnet Valley, Pennsylvania
Public Health, Pharmaceutical Research
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epidemiology, pharmacoepidemiology, outcomes research, observational research, real world evidence
Eileen E. Ming, MPH, ScD, FISPE, is an epidemiologist, pharmacoepidemiologist, outcomes researcher, and leader in the pharmaceutical industry. She served as an outcomes researcher at Merck, an epidemiologist at AstraZeneca, and the head of global epidemiology and pharmacoepidemiology at Shire Pharmaceuticals. Dr. Ming founded Epi Excellence, an epidemiology consulting practice, in 2014. She has worked across a variety of therapeutic areas, from pre-clinical through post-marketing phases, providing epidemiologic strategic and tactical expertise to commercial, clinical development, market access, medical affairs, regulatory, and pharmacovigilance activities.
Dr. Ming is an Adjunct Scholar of the Center for Clinical Epidemiology and Biostatistics, and an Adjunct Investigator of the Center for Real-World Effectiveness and Safety of Therapeutics, at the Perelman School of Medicine at the University of Pennsylvania. She is a Fellow of the International Society for Pharmacoepidemiology. D...
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Anthony R Flores, MD, MPH, PhD
Pediatric ID | Tenured Professor | Nationwide
Nashville, Tennessee
Pediatric Infectious Diseases, Public Health
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Pediatric infectious disease, Sepsis, Neonatal sepsis, Meningitis, Standard of care, Pediatric malpractice, Failure to diagnose, Group A Streptococcus, Group B Streptococcus, MRSA, Necrotizing fasciitis, Toxic shock syndrome, Neonatal infection, Antimicrobial stewardship, Healthcare-associated infection, Vaccine injury
Anthony R. Flores, MD, MPH, PhD is a board-certified Pediatric Infectious Diseases specialist and tenured Professor at Vanderbilt University Medical Center, where he also serves as Division Director of Pediatric Infectious Diseases. He holds triple advanced degrees — MD, MPH, and PhD — and brings more than 15 years of clinical, academic, and research experience to medical-legal consultation.
Areas of Expertise
Sepsis and septic shock · Neonatal and pediatric bacterial infections · Meningitis (bacterial and viral) · Group A Streptococcus (GAS) and Group B Streptococcus (GBS) infections · Staphylococcus aureus and MRSA · Necrotizing fasciitis · Toxic shock syndrome · Antimicrobial prescribing and resistance · Healthcare-associated infections · Vaccine-related evaluation · Standards of care in pediatric infectious diseases
Expert Witness Services
Dr. Flores provides independent expert witness services for both plaintiff and defense counsel, including case merit evaluation, medical re...
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Catherine E Adams Hutt, PhD, RD, CFS
Food safety and standards of care expert witness
RdR Solutions Consulting, LLC
Aubrey, Texas
Food, Public Health
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Food Safety, Food Manufacturing, Nutrition, Foodborne Illness, Food Fraud, Food Forensics, Food Poisoning, Food Adulteration, Dietary Supplements, Food Labeling, Quality Management, Health Claims, FDA Regulatory Compliance, USDA Regulatory Compliance, Food manufacturing standard practice, Foodservice standard practice, Foodservice
I am a senior level food scientist with experience in the food regulatory, food manufacturing, and food service sectors. I am also a Registered Dietitian and nutrition scientist. I am a well-regarded and accomplished expert witness with more than 80 litigation cases, having testified at trial and deposition almost 40 times. My broad scope with diverse background makes me ideally suited for challenging cases where it is important or helpful to be able to integrate information from a number of different disciplines. My professional experience is truly unique, and my credentials and experience make me unimpeachable.
I enjoy deposition and trial, understanding the art of the exercise; and I work to deliver the optimal results for my clients.
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Lucy H Fraiser, PhD, DABT
Lucy Fraiser Toxicology
Texas
Toxicology, Environmental
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risk assessment, public health, air quality, NAAQS, risk-based corrective action, ozone (O3), nitrogen oxides (NO2), sulfur dioxide (SO2), hydrogen sulfide (H2S), particulate matter (PM), chemicals
Dr. Lucy Fraiser is a board-certified toxicologist with over 25 years of experience in the areas of exposure and risk assessment, health effects and toxicology evaluations, development of quantitative toxicity criteria, development of risk-based air quality guidelines and soil cleanup criteria, and risk communication.
Dr. Fraiser has conducted hundreds of exposure assessments for chemicals used in pharmaceutical laboratories and industrial processes, chemicals applied to control pests and unwanted vegetation, and chemicals released as unwanted by-products of chemical and product manufacturing, combustion of fossil and waste-derived fuels, generation of electricity, petroleum refining, smelting, rock crushing, and activities at military installations.
Dr. Fraiser has been qualified as an expert, deposed, and has provided expert testimony in contested case hearings, criminal case hearings, Federal Civil suits, and toxic tort litigation on numerous occasions.
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Bhaskar Kura, PhD, PE
i2Care, Inc.
San Antonio, Texas
Environmental Engineering, Industrial Hygiene
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Air Quality Modeling, Indoor Air Quality, Hazardous Air Pollutants, Public Health, Cancer Risk, Worker Health, Worker Injury, Workplace Injury, Pollution, Pollution Prevention, Hazardous Waste, Solid Waste, Medical Waste, Exposure Assessment, Emissions Modeling, Water Pollution, GHG Emissions
Dr. Bhaskar Kura is a higher education leader and has 35 years of professional experience as a professor, researcher, and scientist in the filed of environmental engineering. Over the years, he worked in industry, consulting, and academia. He is a registered Professional Environmental Engineer in the State of Louisiana.
He published more than 100 technical articles and supervised graduate students for their MS and PhD degrees. His core areas of expertise include, but not limited to:
(1) Atmospheric Dispersion Modeling
(2) Indoor Air Quality
(3) Exposure Assessment (Public and Worker Health Risk Evaluation)
(4) Water and Air Pollution Assessment
(5) Waste Management
(6) Pollution Prevention
(7) Life Cycle Costing and Life Cycle Assessment
(8) Evaluation of Toxicity and Hazard of Materials and Wastes
(9) Green House Gas Emissions Assessment / Management
(10) Compliance Evaluation with Federal, State, and Local Regulations
(11) Inverse Dispersion Modeling to Evaluate Source Str...
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Marco Britton, MD, MPH, CMLE
Occupational Medicine, IMEs & Life Care Plans
Insight Expert Solutions
Arlington, Texas
Occupational Medicine, Independent Medical Examinations
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Occupational Medicine, IME, Life Care Planning, Disability, Legal Medicine, Noise, Cadmium, Chromium, Lead, Asbestos, Blood Borne Pathogen, Silica, Heat, Amputations, Respirator, OSHA, Public Health, Workers' Compensation, Impairment Evaluation, Heavy Metals
I am a board-certified physician expert in the field of Occupational & Environmental Medicine (OEM). I have nearly 12 years of experience in OEM and workers' compensation. I also am a certified medicolegal evaluator (CMLE).
My expertise includes workplace and personal injury evaluation and management (musculoskeletal injuries, eye injuries, lacerations, etc.) and hazardous exposure evaluation and management (heavy metals, asbestos, chemicals, blood borne pathogens, noise, heat and more), I also evaluate and give opinions on causation, extent of injury, maximum medical improvement, impairment, disability and ability to return to work.
I am trained in the utilization of the following regulatory standards: Occupational Safety and Health Administration (OSHA), American National Standards Institute (ANSI), Agency for Toxic Substances and Disease Registry (ATSDR) and more. I am also experienced in using the following evidence-based resources: Official Disability Guidelines (ODG), MDG...
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Brian Arenare, MD, MBA, MPH
Occupation Medicine Physician - Aeromedical Expert
SAME DAY RESPONSE : : Email -or- Call/Text
Houston , Texas
Occupational Medicine, Aviation & Aerospace
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Aviation Medicine, Certification Standards, Aeromedical Transport, Aeronautical Decision Making, Travel Medicine, Worker Injury, Risk and Hazards, Human Factors and CRM, Cabin Environment, Pilot Crew Flight Attendant, Commercial Pilot, CFI AME FAA, Air Safety, DOT FMCSA, Public Health, Pharmaceutical Drugs, Medical Devices, Patents
Dr. Arenare brings a broad and in-depth background to expert witness work in aviation medicine and occupational injury evaluation and prevention, in the workplace and other settings. He is an experienced board-certified physician, consultant, and medical opinion leader. After graduating Yale Medical School, he completed residency training in general surgery, then practiced trauma surgery and emergency medicine, performing thousands of surgical operations and procedures. He also completed an MBA degree and provided medical, healthcare, and management consulting for a wide range of healthcare industry companies, regulatory agencies, and investors. He has advised and led strategic growth for several biopharma and medical device firms and served on the board of a public biotech company. He held a vital public health leadership role as the Director of Disease Control and Prevention for Harris County, Texas.
Upon completing further preventive medicine residency training, with a focu...
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Stephen D Turner, Ph.D.
Genetics, data science, forensics, DNA, statistics
University of Virginia
Charlottesville, Virginia
Medical Genetics, Forensic Science
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Data science, Statistics, Genomics, Sequencing, DNA, Forensics, Research, AI, Synthetic biology, Biology, Biotechnology, Biosecurity, Biodefense, Public health, Infectious disease
Dr. Stephen D. Turner is an Associate Professor of Data Science and Dean of Research at the University of Virginia School of Data Science. Dr. Turner is an experienced genetics scientist, data science educator, and expert in bioinformatics, genomics, forensic science, and biotechnology. He holds a Ph.D. in Genetics, M.S. in Applied Statistics and has over 20 years of experience with DNA sequencing, bioinformatics, computational biology, genome editing, synthetic biology, forensic science, identity intelligence, human biomedical research, microbial genetics, public health, infectious disease genetics, and population-scale genomic data. He has served in academic, industry, and startup leadership roles.
Dr. Turner is the author of over 100 peer-reviewed scientific publications and has taught graduate-level courses in data science, statistics, and computational biology. Dr. Turner has experience presenting complex scientific findings to both technical and non-technical audiences and is...
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