Drug Testing Expert Witnesses
Drug testing expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on drug testing. The drug testing expert witness listings on this page are typically from fields/areas of expertise such as: Addiction Medicine, Addiction Psychiatry, Emergency Medical Toxicology, Emergency Medicine, Employment, Environmental, Life Care Planning, Medical Management, Occupational Medicine, Pharmacology- Clinical, and Toxicology.
Okorie Okorocha, M.S., M.S., ESQ.
Forensic Toxicologist & Pharmacologist.
TOXICOLAWGY.COM
Arizona
Toxicology, Pharmacology- Clinical
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Lab, Laboratory, Blood testing, Breath Testing, Hospital Testing, Alcohol Impairment, drug impairment, alcohol testing, drug testing, drug effects, drug levels, postmortem drugs, postmortem alcohol, forensic science, blood alcohol, blood drugs, urine testing, urine drug tests, urine alcohol tests
Forensic Toxicologist
Okorie Okorocha is a Forensic Toxicologist and expert witness that is widely recognized in his field of work. He has obtained two Master’s Degrees in toxicology and pharmacology. Okorie has served as a forensic toxicology expert witness in more than 700 jury trials and has relevant experience in court as a laboratory testing, drug and alcohol expert witness, as well as in other areas of forensic toxicology. These trials include civil and criminal trials in military, state and federal courts.
By ensuring that the jury understands the multifaceted nature of scientific concepts, Okorie has been able to successfully serve as an expert witness in 54 California counties, 23 U.S. states, and internationally in Germany and Japan.
Toxicology Co-Counsel for Depositions and Cross Examination at trial
Okorie Okorocha is a sought after by top law firms as a cross-examiner of scientific experts in depositions and at trial. As an attorney, he has been the first cha...
Lyle D. Burgoon, PhD, ATS
Raptor Pharm & Tox, Ltd
California
Toxicology, Environmental
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Dram shop, DNA, Product Liability, Statistics, Drug Impairment, Chemical Impairment, Family Law, Due Diligence, Criminal, Civil, Drug Testing, Toxic Tort
Dr. Burgoon is an award-winning and Board Certified (Fellow, Academy of Toxicological Sciences) toxicologist and biostatistician. Dr. Burgoon has 10+ years of experience as a US Government toxicologist employed by the US Environmental Protection Agency (US EPA) and the US Army. Dr. Burgoon served as a senior leader in various roles from leading teams of biostatisticians and bioinformaticians in designing and analyzing toxicology studies, to supervising toxicologists and public health scientists in the development of toxicological and dose-response assessments in support of the US EPA Integrated Risk Information System (IRIS). At the US Army, Dr. Burgoon led classified and unclassified programs and projects with a focus on the effects of chemical, biological, radiological, nuclear, and high yield explosives (CBRNE) on human health, ecological and agriculture systems.
Dr. Burgoon’s expertise is in pharmacology, toxicology, biostatistics, exposure modeling, causal analysis, risk asse...
Michael J Kosnett, MD, MPH, FACMT
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
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
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 US Navy Naval Air Systems Command (F-18)
• US Army Public Health Command (c...
Okorie Okorocha, M.S., M.S., ESQ.
Forensic Toxicologist & Pharmacologist.
TOXICOLAWGY.COM
Pasadena, California
Toxicology, Pharmacology- Clinical
-
Lab, Laboratory, Blood testing, Breath Testing, Hospital Testing, Alcohol Impairment, drug impairment, alcohol testing, drug testing, drug effects, drug levels, postmortem drugs, postmortem alcohol, forensic science, blood alcohol, blood drugs, urine testing, urine drug tests, urine alcohol tests
Forensic Toxicologist
Okorie Okorocha is a Forensic Toxicologist and expert witness that is widely recognized in his field of work. He has obtained two Master’s Degrees in toxicology and pharmacology. Okorie has served as a forensic toxicology expert witness in more than 700 jury trials and has relevant experience in court as a laboratory testing, drug and alcohol expert witness, as well as in other areas of forensic toxicology. These trials include civil and criminal trials in military, state and federal courts.
By ensuring that the jury understands the multifaceted nature of scientific concepts, Okorie has been able to successfully serve as an expert witness in 54 California counties, 23 U.S. states, and internationally in Germany and Japan.
Toxicology Co-Counsel for Depositions and Cross Examination at trial
Okorie Okorocha is a sought after by top law firms as a cross-examiner of scientific experts in depositions and at trial. As an attorney, he has been the first cha...
Michael J Kosnett, MD, MPH, FACMT
Denver, Colorado
Toxicology, Occupational Medicine
-
Lead poisoning, cannabis, drug testing, alcohol, marijuana, environmental toxicology, occupational toxicology, arsenic poisoning, forensic toxicology, DUI, risk assessment, aviation toxicology, medical monitoring
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
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 US Navy Naval Air Systems Command (F-18)
• US Army Public Health Command (c...
Patrick Filkins, PharmD, BCPS, DABAT
Clinical Toxicology & Pharmacology Expert Witness
Filkins Toxicology Consulting LLC
Atlanta, Georgia
Toxicology, Pharmacology- Clinical
-
Emergency Medicine, Pharmacokinetics, Alcohol Intoxication, Drugs of Abuse, Opioids, Fentanyl, Envenomation, Poisoning, Overdose, DUI, Kratom, Mushrooms, Hospital Pharmacy, Antidotes, Heavy Metals, Pesticides, Urine Drug Screen, Drug Testing, Blood Testing, Withdrawal
Patrick Filkins, PharmD, BCPS, DABAT obtained a BS in Biochemistry at SUNY Old Westbury and a Doctorate of Pharmacy at the University of Saint Joseph School of Pharmacy and Physician Assistant studies. Following pharmacy school he completed residency at Grady Memorial Health System in Atlanta, Georgia and subsequently a clinical toxicology fellowship at the Georgia Poison Center. He is currently board-certified in toxicology (DABAT) and pharmacotherapy (BCPS). He is a practicing clinical toxicologist at the Georgia Poison Center, emergency medicine clinical pharmacist at Grady Memorial Health System, and an adjunct instructor of emergency medicine at Emory University School of Medicine, Department of Emergency Medicine. He also serves on the board of directors for the American Board of Applied Toxicology (ABAT). He has multiple publications in the field of toxicology. His research interests include toxic alcohols, acetaminophen toxicity, snake envenomation, and the management of opi...
Okorie Okorocha, M.S., M.S., ESQ.
Forensic Toxicologist & Pharmacologist.
TOXICOLAWGY.COM
Hawaii
Toxicology, Pharmacology- Clinical
-
Lab, Laboratory, Blood testing, Breath Testing, Hospital Testing, Alcohol Impairment, drug impairment, alcohol testing, drug testing, drug effects, drug levels, postmortem drugs, postmortem alcohol, forensic science, blood alcohol, blood drugs, urine testing, urine drug tests, urine alcohol tests
Forensic Toxicologist
Okorie Okorocha is a Forensic Toxicologist and expert witness that is widely recognized in his field of work. He has obtained two Master’s Degrees in toxicology and pharmacology. Okorie has served as a forensic toxicology expert witness in more than 700 jury trials and has relevant experience in court as a laboratory testing, drug and alcohol expert witness, as well as in other areas of forensic toxicology. These trials include civil and criminal trials in military, state and federal courts.
By ensuring that the jury understands the multifaceted nature of scientific concepts, Okorie has been able to successfully serve as an expert witness in 54 California counties, 23 U.S. states, and internationally in Germany and Japan.
Toxicology Co-Counsel for Depositions and Cross Examination at trial
Okorie Okorocha is a sought after by top law firms as a cross-examiner of scientific experts in depositions and at trial. As an attorney, he has been the first cha...
Leon M Gussow, MD
Chicago, Illinois
Toxicology, Emergency Medical Toxicology
-
Alcohol, Poisoning, opiates, opioids, Marijuana, Overdose, Cannabinoids, cannabis, intoxication, Drug Screening, Dram Shop, Drug Testing, Carbon Monoxide
Over 20 years experience providing consultation and expert witness testimony in cases involving topics including alcohol, marijuana, carbon monoxide, adverse drug effects, drug tests, and urine drug screens. Extensive teaching experience with the Toxikon Consortium Medical Toxicology Fellowship Program in Chicago.
Fellow, American College of Medical Toxicology; Board Certified in Emergency Medicine and Internal Medicine; Medical Consultant, Illinois Poison Control Center; Peer Reviewer, Clinical Toxicology; Peer Reviewer, Journal of Medical Toxicology; Peer Review, Emergency Medicine Journal; Peer Reviewer, Cleveland Clinic Journal of Medicine.
Ronald Himmelman, MD
Glencoe, Illinois
Emergency Medicine, Emergency Medical Toxicology
-
Stroke, sepsis, myocardial infarction, infections, trauma, medication side effects, drug testing, alcohol issues, intoxication, prison and jail medicine
I am Board-Certified in Internal Medicine as well, yet have exclusively practiced Emergency Medicine for the past 35 years, first in a county hospital setting, followed by working in a few private hospitals, where I practice presently. I am Board -Certified in Emergency Medicine since 1988 and have been recertified every 10 years since then, with the latest coming just two months ago. In addition, I have been Board-Certified in Medical Toxicology.
Robert B Swotinsky, MD, MPH
Drug and alcohol testing and impairment.
Sudbury, Massachusetts
Occupational Medicine, Toxicology
-
Drug testing, drug test, drug screening, drug screen, alcohol testing, alcohol test, toxicology, medical review officer, MRO, impairment, disability, DOT physicals, DOT exams, occupational medicine, occupational health, truck driver
My reports are clear, detailed, well-organized, well-referenced, and timely. Qualifications include: board certified in occupational medicine. Certified medical review officer (MRO), FMCSA (NRCME) Medical Examiner and trainer, and (former) FAA Medical Examiner. Fellow of American College of Occupational and Environmental Medicine (ACOEM) and awarded the 2018 ACOEM Achievement in Occupational Medicine Award. Assistant Professor, U Mass Medical School. Former residency director for occupational medicine training program. Written books and written/given numerous educational programs to physician and other groups about drug and alcohol testing, and about DOT physicals (commercial motor vehicle driver exams). From 1995 - 2022, wrote "MRO Update" national newsletter for physicians. Have taught supervisors about reasonable suspicion determinations. Consultant to federal agencies on medical standards for truck drivers and on workplace drug and alcohol testing programs. Consultant t...
Timothy C. Egan, SPHR
Coalition Resources Group
New Mexico
Employment, Medical Management
-
Human resources, HR, healthcare, hospitals, employee relations, hiring, labor relations, union avoidance, background checks, investigations, drug testing, sexual harassment, termination, collective bargaining agreement, discipline, workplace violence, HIPAA, performance evaluation, FMLA, ADA
Executive-level human resources leader. 35+ years of experience in employee and labor relations, as well mediation conflict resolution, employee training development, and resource allocation assessments. Special experience in healthcare human resources. 13-year Marine Corps veteran, including Gulf War.
Experience also includes RIFs, Layoffs, Reduction in Force, Leave of Absence, Reasonable Accommodations, Interactive Meetings, Americans with Disabilities Act, and Job Descriptions.
Lyle D. Burgoon, PhD, ATS
Raptor Pharm & Tox, Ltd
New Hill, North Carolina
Toxicology, Environmental
-
Dram shop, DNA, Product Liability, Statistics, Drug Impairment, Chemical Impairment, Family Law, Due Diligence, Criminal, Civil, Drug Testing, Toxic Tort
Dr. Burgoon is an award-winning and Board Certified (Fellow, Academy of Toxicological Sciences) toxicologist and biostatistician. Dr. Burgoon has 10+ years of experience as a US Government toxicologist employed by the US Environmental Protection Agency (US EPA) and the US Army. Dr. Burgoon served as a senior leader in various roles from leading teams of biostatisticians and bioinformaticians in designing and analyzing toxicology studies, to supervising toxicologists and public health scientists in the development of toxicological and dose-response assessments in support of the US EPA Integrated Risk Information System (IRIS). At the US Army, Dr. Burgoon led classified and unclassified programs and projects with a focus on the effects of chemical, biological, radiological, nuclear, and high yield explosives (CBRNE) on human health, ecological and agriculture systems.
Dr. Burgoon’s expertise is in pharmacology, toxicology, biostatistics, exposure modeling, causal analysis, risk asse...
Heath Jolliff, DO
Medical Toxicology and Forensics Expert
Mid-Ohio Toxicology Services, LLC
Columbus, Ohio
Toxicology, Emergency Medical Toxicology
-
Forensic toxicology, Drug Abuse, Overdose, Impairment, Marijuana, Alcohol, Drug testing, DUI, Risk assessment, Cannabis, Opioids
Board Certified in Emergency Medicine and Medical Toxicology.
Fellowship trained at the University of Colorado/Rocky Mountian Poison and Drug Center.
Over 3 decades of clinical experience.
Expert forensics work for over 2 decades
Active Medical License in Colorado and Ohio
Fellow, American College of Medical Toxicology
Previous, Medical Toxicology Fellowship Program Director
Garson M Caruso, MD, MPH, CLCP, CMLE
Life Expectancy and Life Care Planning
Garson M. Caruso MD, MPH, PA
Mechanicsburg, Pennsylvania
Occupational Medicine, Life Care Planning
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Custom Life Expectancy Determination, Physician Life Care Planning, Impairment Evaluation, Disability Evaluation, Workers Compensation, Drug Testing, Medical Review Officer (MRO), Fitness for Duty, Medical Direction, Onsite Worker Health and Wellness Clinics, Physician Extender Supervision
• Board Certified Occupational Medicine Physician and Certified Life Care Planner with expertise in Custom/Individualized Life Expectancy Determination
• MPH at Johns Hopkins Bloomberg School of Public Health; Occupational Medicine Residency at University of Pennsylvania; Additional training at American Academy of Insurance Medicine
• Fellow, American College of Occupational and Environmental Medicine (ACOEM) and International Academy of Independent Medical Evaluators (IAIME)
• Broad background in consulting, medical direction, and occupational health services for organizations including AmTrust North America, Bechtel, Bell & Evans, Dean Foods, Johns Hopkins Medical Institutions, Lockheed Martin, The New York Transit Authority, PepsiCo, Service Employees International Union, and the US Department of State and Federal Motor Carrier Safety Administration
• Extensive experience with supervision of physician extenders (nurse practitioners and physician assistants) in onsite occupational...
Margaret Jarvis, MD; DFASAM
Tunkhannock , Pennsylvania
Addiction Medicine, Addiction Psychiatry
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ASAM Criteria, drug testing, clinical policies, professionalism, board certification, Suboxone, buprenorphine, opiates, alcohol, toxicology, drug screening, addiction treatment, drug treatment, alcohol treatment, overdose, stigma, medical director, addiction medicine, methamphetamine
Dr. Jarvis has been holding leadership positions in addiction medicine for decades, in clinical, academic and policy positions. She has led clinical teams at ASAM levels 3.7 (medically managed inpatient) and 1.7 (medically managed outpatient). She has designed clinical programs and overseen their implementation and maintenance. The programs she has designed and worked with include both medication management and counseling therapies. She has taught at all levels of medical education, helping to start an addiction medicine fellowship program that was in the first groups to receive accreditation from the American Board of Addiction Medicine and the American College of Graduate Medical Education. She has served on the committee that has written the Addiction Medicine certifying board examination since 2000. She has held numerous leadership positions with the American Society of Addiction Medicine, serving both as a member of the board and as an officer of the board. She has long...
Allison A. Muller, Pharm.D, D.ABAT, FAACT
Board-Certified Toxicologist - Penn/CHOP Faculty
Acri Muller Consulting, LLC
Aston, Pennsylvania
Toxicology, Pharmacology- Clinical
-
opioids, carbon monoxide, marijuana, cannabis, impairment, DUI, drugs, medication errors, overdose, postmortem, toxicity, medications, drug testing, adverse event, dietary supplement, kratom, fentanyl, oxycodone, lithium, mold
Board-certified toxicologist. Fellow of the American Academy of Clinical Toxicology. Registered pharmacist. Over 20 years’ experience in the field of clinical toxicology.
Two decades as a clinical toxicologist and managing director at the Poison Control Center at The Children’s Hospital of Philadelphia (CHOP), consulting on toxicology cases from 21 counties in Pennsylvania and Delaware.
Expert witness experience has involved cases related to alcohol, drugs of abuse (ie, opioids, marijuana, synthetic cannabinoids, cocaine), carbon monoxide, medication errors, and postmortem toxicology.
Extensive teaching experience including as faculty at the University of Pennsylvania School of Veterinary Medicine.
Timothy C. Egan, SPHR
Coalition Resources Group
Horizon City, Texas
Employment, Medical Management
-
Human resources, HR, healthcare, hospitals, employee relations, hiring, labor relations, union avoidance, background checks, investigations, drug testing, sexual harassment, termination, collective bargaining agreement, discipline, workplace violence, HIPAA, performance evaluation, FMLA, ADA
Executive-level human resources leader. 35+ years of experience in employee and labor relations, as well mediation conflict resolution, employee training development, and resource allocation assessments. Special experience in healthcare human resources. 13-year Marine Corps veteran, including Gulf War.
Experience also includes RIFs, Layoffs, Reduction in Force, Leave of Absence, Reasonable Accommodations, Interactive Meetings, Americans with Disabilities Act, and Job Descriptions.
Okorie Okorocha, M.S., M.S., ESQ.
Forensic Toxicologist & Pharmacologist.
TOXICOLAWGY.COM
Washington
Toxicology, Pharmacology- Clinical
-
Lab, Laboratory, Blood testing, Breath Testing, Hospital Testing, Alcohol Impairment, drug impairment, alcohol testing, drug testing, drug effects, drug levels, postmortem drugs, postmortem alcohol, forensic science, blood alcohol, blood drugs, urine testing, urine drug tests, urine alcohol tests
Forensic Toxicologist
Okorie Okorocha is a Forensic Toxicologist and expert witness that is widely recognized in his field of work. He has obtained two Master’s Degrees in toxicology and pharmacology. Okorie has served as a forensic toxicology expert witness in more than 700 jury trials and has relevant experience in court as a laboratory testing, drug and alcohol expert witness, as well as in other areas of forensic toxicology. These trials include civil and criminal trials in military, state and federal courts.
By ensuring that the jury understands the multifaceted nature of scientific concepts, Okorie has been able to successfully serve as an expert witness in 54 California counties, 23 U.S. states, and internationally in Germany and Japan.
Toxicology Co-Counsel for Depositions and Cross Examination at trial
Okorie Okorocha is a sought after by top law firms as a cross-examiner of scientific experts in depositions and at trial. As an attorney, he has been the first cha...
