Carbon Monoxide Expert Witnesses
Carbon monoxide 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 carbon monoxide. The carbon monoxide expert witness listings on this page are typically from fields/areas of expertise such as: Brain Injury Medicine, Education & Schools, Emergency Medical Toxicology, Emergency Medicine, Fire, HVAC, Indoor Air Quality, Industrial Hygiene, Neurology, Occupational Medicine, Oil and Gas, Pharmacology, Pharmacology- Clinical, Plumbing, and Premises Liability.
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Kerollos Shaker, MD, FACEP
Expert Toxicologist/ER Doc/Clinical Asst Professor
SHAKER EMERGENCY SPECIALISTS PLLC
Alabama
Emergency Medicine, Emergency Medical Toxicology
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Medical Toxicology, Emergency Medicine, Alcohol, Carbon Monoxide, Accidental overdose, Myocardial Infarction, Airway, Blood Clots, Snake Bites, Occupational Exposure, Addiction, Nursing Home, Antivenom, Workplace Exposure, Cannabinoids, Drugs of Abuse, Forensic Toxicology, Urine Drug Screens, Postmortem Death Analysis, Dram Shop
Dr. Kerollos Shaker is a board certified Emergency Medicine Physician and Medical Toxicologist in Houston, Texas. He graduated from University of Alabama School of Medicine. He completed residency in Emergency Medicine and fellowship in Medical Toxicology. Currently practicing as an ER Doctor and Toxicologist Consultant. He is also a Laboratory Director with experience in high-complexity labs. ATLS, ACLS, PALS certified. Medical Licenses in Texas and Florida. Also an Affiliate Clinical Assistant Professor with College of Medicine.
Email: kshakertox@gmail.com - Available for reviews in both Emergency Medicine/ER and Toxicology.
Toxicology Review:
-Forensic toxicology, postmortem interpretation of results,
-Exposures including Hydrogen Sulfide, Carbon Monoxide
-Acute overdoses in any setting,
-interpretation of drug testing (hair, oral, urine, blood, vitreous fluid),
-Delta-8-THC, Delta-9-THC, marijuana, cannabinoids,
-PeTH testing blood alcohol testing, ethyl glucuronide ...
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Laura A. Cantrell, CPM
Real Estate Property Management Practice Standards
Cantrell Real Estate Associates
Anchorage, Alaska
Real Estate, Property Management
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Property management operations, Leasing & Sales, Residential & Apartment, Commercial Retail Office Industrial, HOA & Associations, Premise Liability, Slip & Fall, Maintenance & Inspections, Standards of Care, Landlord-Tenant Disputes, Personal Injury, Carbon Monoxide, Security & Safety, Operations, Risk Management
Laura Cantrell is the Principal of Cantrell Real Estate Associates, LLC and a Certified Property Manager (CPM®) through the Institute of Real Estate Management (IREM®). With over 40 years of industry experience, she brings deep expertise in the management, leasing, and sale of residential, commercial, and association properties.
Throughout her career, Laura has held prominent leadership roles, including serving as a Regional Vice President and a member of the Student Advisory Committee for IREM®. Since 2013, she has also contributed her insights as a member of the University of Alaska Real Estate Program Advisory Board. In addition to property management, her firm has provided consulting and expert witness services since 2018.
Laura is a Licensed Real Estate Broker in Alaska and maintains offices in Alaska, Texas, and California. She holds active memberships in several professional organizations, including the Community Association Institute (CAI), Building Owners and Managers Ass...
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Joseph A LaRovere, C.E.M.
HVAC, Plumbing, Engineering Expert - 35 Years
LaRovere Consulting, LLC
Cave Creek, Arizona
HVAC, Plumbing
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HVAC, Plumbing, Mechanical, Chiller, Boiler, Air Handler, Heat Pump, flood, damage, leak, air conditioner, water heater, piping, electrical, injury, engineer, cannabis, furnace, carbon monoxide, explosion
35+ years of experience as a contractor, owner/operator, technician, and consultant to the construction industry with specialties in HVAC, Mechanical, Electrical, Plumbing, Energy Management and Control Systems. Licensed PE, Project Manager, Design Professional, Construction Manager on staff.
Specialties
HVAC Systems, air conditioning, heat pumps, chiller plants, heating hot water, boilers, air handlers, water source heat pumps, cooling towers, dedicated outside air, ventilation, and exhaust systems, Energy management and control system, sequence of operation, energy management and building efficiency, Domestic hot water systems, electric and gas boilers and water heaters, mixing valves and hot water recirculation systems, System failures, equipment failures, maintenance issues, preventative maintenance, water treatment, forensic investigation, and remediation, Project Management, Program Management, Project Accounting, and Scheduling consulting and analysis
Contractor Evaluation, ...
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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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Jonathan S. Rutchik, MD, MPH
Mill Valley, California
Neurology, Occupational Medicine
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Neurotoxicology, Metals, Aluminum, Arsenic, Lead, Mercury, Manganese, Thallium, Tin, Zinc, Solvents, Pesticides, gases/ asphyxiants, Carbon Monoxide, Electromyography, Environmental, Chemical Exposures, Toxic Neuropathy, Mold, Head trauma
Dr. Rutchik is one of very few physicians in the United States board certified both in Neurology and Occupational and Environmental Medicine. He is also an associate professor of Medicine at UCSF where he taught medical students, medical residents and nurses. He is also an experienced California State Qualified Medical Examiner. He is a Fellow of both the American Academy of Neurology (AAN) and the American College of Occupational and Environmental Medicine (ACOEM). He provides clinical evaluations and treatment, including electromyography, of individuals and populations with suspected neurological illness secondary to workplace injuries or chemical exposure; neurological trauma, and neurological fitness for duty in safety sensitive populations. He has five office locations in Northern California; San Francisco, Richmond, Petaluma, Sacramento and Arcata, CA.
Other services include independent medical examinations, medical record review, utilization review and consulting to ...
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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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Kerollos Shaker, MD, FACEP
Expert Toxicologist/ER Doc/Clinical Asst Professor
SHAKER EMERGENCY SPECIALISTS PLLC
Florida
Emergency Medicine, Emergency Medical Toxicology
-
Medical Toxicology, Emergency Medicine, Alcohol, Carbon Monoxide, Accidental overdose, Myocardial Infarction, Airway, Blood Clots, Snake Bites, Occupational Exposure, Addiction, Nursing Home, Antivenom, Workplace Exposure, Cannabinoids, Drugs of Abuse, Forensic Toxicology, Urine Drug Screens, Postmortem Death Analysis, Dram Shop
Dr. Kerollos Shaker is a board certified Emergency Medicine Physician and Medical Toxicologist in Houston, Texas. He graduated from University of Alabama School of Medicine. He completed residency in Emergency Medicine and fellowship in Medical Toxicology. Currently practicing as an ER Doctor and Toxicologist Consultant. He is also a Laboratory Director with experience in high-complexity labs. ATLS, ACLS, PALS certified. Medical Licenses in Texas and Florida. Also an Affiliate Clinical Assistant Professor with College of Medicine.
Email: kshakertox@gmail.com - Available for reviews in both Emergency Medicine/ER and Toxicology.
Toxicology Review:
-Forensic toxicology, postmortem interpretation of results,
-Exposures including Hydrogen Sulfide, Carbon Monoxide
-Acute overdoses in any setting,
-interpretation of drug testing (hair, oral, urine, blood, vitreous fluid),
-Delta-8-THC, Delta-9-THC, marijuana, cannabinoids,
-PeTH testing blood alcohol testing, ethyl glucuronide ...
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Dr. David H. Schaffer, MD, MRO
Toxicology Director, Experienced Witness, Dual BC
Florida
Toxicology, Emergency Medicine
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Drug Testing, Toxicology, Overdose, Drug Levels, Chemical Exposure, Alcohol, Fentanyl, Carbon Monoxide, Poisoning, Opioids, Med Mal, Medical Toxicology, Marijuana, Impairment, Methamphetamine, Opiates, Child Custody, Drugs, Toxic Tort, Hair Testing
Dr. David H. Schaffer, MD, MRO is dual-boarded in both Medical Toxicology and Emergency Medicine, serving as the Director of Medical Toxicology at the University of South Carolina School of Medicine in Greenville, SC and Prisma Health–Upstate hospitals. He is also a certified Medical Review Officer (MRO, MROCC). Dr. Schaffer has published extensively in the fields of Medical Toxicology and Emergency Medicine. Outside of clinical practice and the occasional courtroom appearance, Dr. Schaffer has also consulted for major organizations—including SpaceX, Butterfly Network, and governmental entities—on a variety of clinical matters.
Dr. Schaffer earned his medical degree from the University of North Carolina School of Medicine, completed his residency at Harvard, where he served as a Clinical Fellow at Harvard Medical School, and subsequently trained in Medical Toxicology at the University of Virginia. He is a practicing physician with extensive publications and speaking records, is reg...
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John H Murphy, BSc MHSc MBA PhD ROH CIH MACE
Leading International Occupational Hygienist
Dr JH Murphy Consulting Ltd / CrossSafety Group
Clearwater Beach, Florida
Industrial Hygiene, Indoor Air Quality
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Exposure, Legionnaires, Legionella, Occupational Disease, Environmental IPAC, COVID, Epidemiology, Mold, Asbestos, Carbon Monoxide, Chemical Product Liability, Respirators, Roundup, Pesticides, Construction Nosocomial, Hazard Assessment, Aerosol Transmission, Respiratory Infection, Retrospective Exposure / Dose Estimation
75+ Engagements since 2017 / Adjunct Professor Emeritus - Occupational & Environmental Health, School of Public Health, University of Toronto / Member, American College of Epidemiology / Member, Association for Professionals in Infection Control and Epidemiology / Member, TLV Chemical Substances Committee - American Conference of Governmental Industrial Hygienists / Certified Industrial Hygienist (American Board of Industrial Hygiene) / Registered Occupational Hygienist (Canadian Registration Board of Occupational Hygienists) / Licensed Pesticide Applicator / Licensed Asbestos Project Supervisor / Managing Principal, Chief Executive and Majority Shareholder - Largest Canadian HSE Services Firm (>150 staff) www.crosssafety.ca / Offices: Canada - Ottawa, Toronto, Markham, Windsor. USA - Lexington, Clearwater / Canadian Citizen / E-2 USA Treaty Investor Visa (USA Work Authorization) / Secret Level II Security Clearance - Government of Canada / Engaged by US DoJ / Assignments throughou...
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Dale R Wheeler
Systech Fire Protection LLC
PALOS PARK, Illinois
Fire, Safety
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Fire Protection Engineering, Arson, Smoke Detectors, Fire Alarm, Fire System Failure, Fire Detectors, Carbon Monoxide, Fire Cause and Origin, Fire Resistance, Building and Fire Code, Explosion, Fire Safety, Means of Egress, Life Safety, Fire Sprinklers, Forensic Fire Analysis, Fire Sprinkler Leakage
Mr. Wheeler has practiced in Fire Protection Engineering, Fire Investigation, Fire Safety, and Building and Fire Codes for 46 years. His roles have included Insurance Risk Analyst, Building Commissioner, Building Inspector, Fire Protection and Building Code Consultant, Fire Protection System Designer, System Failure Analyst, and Forensic Fire Investigator.
Mr. Wheeler's Expert Witness work includes analysis of events, written reports if requested, litigation support, mediation and arbitration support, depositions, and trail testimony.
Mr. Wheeler's career experience includes approximately 220 cases, 65 depositions, and 32 trial testimony's.
Mr. Wheeler works nationally and worldwide.
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Leon M Gussow, MD
Chicago, Illinois
Toxicology, Emergency Medical Toxicology
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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.
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John R. Puskar, PE, CEM, CIEP
Boilers, Ovens, Furnaces, Natural Gas, Coke Gas
Prescient Technical Services llc.
Louisiana
Oil and Gas, Fire
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Propane, Boilers, Natural Gas, Furnaces, Carbon Monoxide, NFPA Codes, gas piping, steam, explosions, fires, Industrial Ovens, Coke Oven Gas, heaters, burners, NFPA 54, NFPA 85, ASME CSD-1, NFPA 86, NFPA 56, NFPA 820
President, Prescient Technical Services (Cleveland, OH)
ASME Fellow • AEE Fellow • ASME Uzgiris-Barnett Product Safety Medalist
John R. Puskar, PE, is a mechanical engineer and nationally recognized expert witness in boilers, fuel-gas systems, flammable gas piping, combustion equipment, industrial ovens and furnaces, process heaters, thermal oxidizers, and steam system safety. He specializes in root-cause failure analysis, fire and explosion investigations, carbon monoxide incidents, purging accidents, and code compliance for NFPA 54, NFPA 56, NFPA 85, NFPA 86, NFPA 820, NFPA 59A, and ASME CSD-1. Clients engage him for investigations, reports, deposition, and testimony in matters involving natural gas, propane/LPG, hydrogen, LNG, refinery and petrochemical equipment, utilities, power generation, wastewater treatment, food processing, metals, and automotive manufacturing.
A former Senior Energy Systems Engineer at Standard Oil/BP, Mr. Puskar founded what became the largest ind...
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K. David Meit, CPM®, ARM®, GRI®
Property Management Standard of Care Expert
Oculus Realty, AMO®
Gaithersburg, Maryland
Real Estate, Premises Liability
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property management, real estate management, subrogation, risk management, maintenance, property operations, facilities, premises liability, insurance, apartments, multifamily, slip, fall, property damage, building management, property loss, lead paint, mold, carbon monoxide, CO
David is an award-winning commercial real estate executive with over thirty-five years of experience managing portfolios of conventional and rent-regulated multifamily, mixed-use, and retail properties in both suburban and urban markets. Experienced manager of all classes of property, from tax credit to ultra-luxury. Skilled at developing best-in-class property management operating teams and preserving and enhancing value through operations. A Certified Property Manager (CPM®) accredited by the Institute of Real Estate Management and Graduate, Realtor Institute (GRI) through the National Association of Realtors®.
Licensed real estate broker in Virginia, Maryland, and the District of Columbia.
Founder and Principal of Oculus Realty, LLC, a multifamily and retail property management company. Oculus is an Accredited Management Organization (AMO®) certified by the Institute of Real Estate Management.
Founder and Principal of Oculus Expert Witness, offering unbiased assessments and e...
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Ann E. Reisch, CRE, CCIM, CPM, RPA
Real Estate Management - Commercial & Residential
Reisch Consulting Group, Inc.
Incline Village, Nevada
Real Estate, Premises Liability
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Property Management, Management operations, Security, Real property management, Carbon monoxide, CPM, Property inspections, Fiduciary Duty, Homeowner Associations, Dog bites, Leasing, Maintenance, Standard of care, Community Associations, Indoor air quality, Resident screening, Habitability issues, Residential, Commercial, fire
Ann Reisch, Principal of Reisch Consulting Group, Inc., is a Certified Property Manager (CPM) and has had extensive involvement with large high-profile properties. She has worked for some of the largest national real estate firms in the country overseeing management & leasing on portfolios up to 20 million square feet across the country.
Ann is a past national Chair of the Industry Standards Advisory Board for the Institute of Real Estate Management (IREM), currently serves on the national Ethics Committee Ethics Hearing and Discipline Board, and Governing Council.
Reisch Consulting Group has been retained in more than 300 litigation matters in State and Federal courts since the year 2000. With a balanced litigation history of working with both Plaintiff and Defense counsel clients, Ann has been involved with disputes valued up to $200 million dollars.
Ann is also a Licensed Real Estate Broker in the states of Florida and Nevada, is a Licensed Community Association Manager in th...
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Jeffrey D. Zwirn, CPP, CFPS, CFE, SET, ITFAS-II, CHPA-IV, NFPA 3000, MYSL, MBAT, SSI HALL OF FAME
IDS Research & Development, Incorporated
Tenafly, New Jersey
Security, Fire
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Burglar Alarm, Alarm System, Security System, Alarm & Security, Central Station, Telephone Line Security, Fire Alarm, Smoke Detection, Carbon Monoxide, Panic & Holdup, Physical Security, Access Control, Video Surveillance Systems, Manufacturer Specifications, UL & NFPA Standards, Industry Standards
A Master Alarm Technician, Certified Protection Professional (CPP), Board Certified in Security Management, Certified Fire Protection Specialist (CFPS), Certified Fraud Examiner (CFE), Senior Engineering Technician, Level IV Certified (SET) in Fire Protection Engineering Technology/Fire Alarm Systems, Certificate Number 111275 from NICET, Level I and II Certified Engineering Technician, Fire Protection Engineering Technology/Inspection and Testing of Fire Alarm Systems (ITFAS-I, ITFAS-II) from NICET, Certified Homeland Security Protection Associate Level IV (CHPA-IV)by The National Sheriffs’ Association in partnership with The Global Society of Homeland and National Security Professionals. Appointed and Serves on twenty-two (UL) Underwriters Laboratories, Inc. Standard Technical Panels (STP) and is a former Principal Technical Committee Panel Member, Appointed by NFPA 72®, in the Special Expert Category, for The National Fire Alarm Code And The National Fire Alarm and Signaling Code...
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Richard A Stripp, Ph.D.
American Scientific Consultants Corp
Huntington, New York
Toxicology, Pharmacology
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Forensic toxicology, alcohol, drugs of abuse, dui, dwi, dram shop, prescription pain drugs, cocaine, heroin, pcp, amphetamine, overdose, carbon monoxide, lead, heavy metals, opiates, marijuana, THC
Dr. Richard Stripp is a nationally recognized expert in toxicology providing services in all aspects of a clinical and forensic toxicology. He has served as an expert consultant in 100’s of cases in the field of toxicology and pharmacology for attorneys, investigators, and physicians involved in forensic and clinical toxicological evaluations associated with ethanol, drugs of abuse, prescription medications and chemical exposure. Dr. Stripp provides unbiased expert case reviews involving drug effect on human performance, toxicity of iatrogenic/ therapeutic agents, lead and other toxic metals, carbon monoxide and environmental/occupational hazards. These services include, impartial evaluations involving drug impairment, overdose, toxic chemical exposure, medical issues associated with drug therapy, poisoning, and the role of drugs, alcohol, or chemical exposure in civil and criminal litigation. This covers a full breath of forensic medical-legal cases
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John R. Puskar, PE, CEM, CIEP
Boilers, Ovens, Furnaces, Natural Gas, Coke Gas
Prescient Technical Services llc.
Hinckley, Ohio
Oil and Gas, Fire
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Propane, Boilers, Natural Gas, Furnaces, Carbon Monoxide, NFPA Codes, gas piping, steam, explosions, fires, Industrial Ovens, Coke Oven Gas, heaters, burners, NFPA 54, NFPA 85, ASME CSD-1, NFPA 86, NFPA 56, NFPA 820
President, Prescient Technical Services (Cleveland, OH)
ASME Fellow • AEE Fellow • ASME Uzgiris-Barnett Product Safety Medalist
John R. Puskar, PE, is a mechanical engineer and nationally recognized expert witness in boilers, fuel-gas systems, flammable gas piping, combustion equipment, industrial ovens and furnaces, process heaters, thermal oxidizers, and steam system safety. He specializes in root-cause failure analysis, fire and explosion investigations, carbon monoxide incidents, purging accidents, and code compliance for NFPA 54, NFPA 56, NFPA 85, NFPA 86, NFPA 820, NFPA 59A, and ASME CSD-1. Clients engage him for investigations, reports, deposition, and testimony in matters involving natural gas, propane/LPG, hydrogen, LNG, refinery and petrochemical equipment, utilities, power generation, wastewater treatment, food processing, metals, and automotive manufacturing.
A former Senior Energy Systems Engineer at Standard Oil/BP, Mr. Puskar founded what became the largest ind...
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Brenda Eagan-Johnson, EdD, CBIST-AP
EXPERT NICHE: Child-Teen-Young Adult Brain Injury
Brain Injury Neurodevelopmental Consulting
New Castle, Pennsylvania
Brain Injury Medicine, Education & Schools
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Pediatric brain injury, child injury, acquired brain injury, TBI, mold, traumatic brain injury, concussion, MVA, carbon monoxide, lead poisoning, near drowning, MVC, brain, school, mild TBI, transition, child, special education, young adult, college
I am highly specialized in a niche area of education & transition to adulthood following child, teen, & young adult brain injury.
Expert witness & brain injury case consultation. Three Decades of Experience. State director of an internationally recognized Brain Injury program for children, teens, and young adults for the last 18 years.
I received my Doctorate from Johns Hopkins University, specializing in Mind, Brain, & Teaching. I provide expert opinions regarding pre- and post-brain injury changes, what to expect in the future, and recommendations for support and services into adulthood. I am the full-time director of a statewide program supporting all children who sustain a brain injury and return to school. I have held this position since the program's inception in 2007. My background is in special education (all ages), neurodevelopment, brain injury in individuals ages birth to young adulthood, and post-high school transition support and services.
I investigate brain injur...
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Allison A. Muller, PharmD, DABAT, FAACT, AFACMT
Board-Certified Toxicologist - Penn/CHOP Faculty
Acri Muller Consulting, LLC
Aston, Pennsylvania
Toxicology, Pharmacology- Clinical
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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. Affiliate Fellow of the American College of Medical Toxicology. Registered pharmacist. Over 30 years of 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.
*Please note that I am only able to work on cases with licensed attorneys.
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Dr. David H. Schaffer, MD, MRO
Toxicology Director, Experienced Witness, Dual BC
Greenville, South Carolina
Toxicology, Emergency Medicine
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Drug Testing, Toxicology, Overdose, Drug Levels, Chemical Exposure, Alcohol, Fentanyl, Carbon Monoxide, Poisoning, Opioids, Med Mal, Medical Toxicology, Marijuana, Impairment, Methamphetamine, Opiates, Child Custody, Drugs, Toxic Tort, Hair Testing
Dr. David H. Schaffer, MD, MRO is dual-boarded in both Medical Toxicology and Emergency Medicine, serving as the Director of Medical Toxicology at the University of South Carolina School of Medicine in Greenville, SC and Prisma Health–Upstate hospitals. He is also a certified Medical Review Officer (MRO, MROCC). Dr. Schaffer has published extensively in the fields of Medical Toxicology and Emergency Medicine. Outside of clinical practice and the occasional courtroom appearance, Dr. Schaffer has also consulted for major organizations—including SpaceX, Butterfly Network, and governmental entities—on a variety of clinical matters.
Dr. Schaffer earned his medical degree from the University of North Carolina School of Medicine, completed his residency at Harvard, where he served as a Clinical Fellow at Harvard Medical School, and subsequently trained in Medical Toxicology at the University of Virginia. He is a practicing physician with extensive publications and speaking records, is reg...
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John R. Puskar, PE, CEM, CIEP
Boilers, Ovens, Furnaces, Natural Gas, Coke Gas
Prescient Technical Services llc.
Texas
Oil and Gas, Fire
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Propane, Boilers, Natural Gas, Furnaces, Carbon Monoxide, NFPA Codes, gas piping, steam, explosions, fires, Industrial Ovens, Coke Oven Gas, heaters, burners, NFPA 54, NFPA 85, ASME CSD-1, NFPA 86, NFPA 56, NFPA 820
President, Prescient Technical Services (Cleveland, OH)
ASME Fellow • AEE Fellow • ASME Uzgiris-Barnett Product Safety Medalist
John R. Puskar, PE, is a mechanical engineer and nationally recognized expert witness in boilers, fuel-gas systems, flammable gas piping, combustion equipment, industrial ovens and furnaces, process heaters, thermal oxidizers, and steam system safety. He specializes in root-cause failure analysis, fire and explosion investigations, carbon monoxide incidents, purging accidents, and code compliance for NFPA 54, NFPA 56, NFPA 85, NFPA 86, NFPA 820, NFPA 59A, and ASME CSD-1. Clients engage him for investigations, reports, deposition, and testimony in matters involving natural gas, propane/LPG, hydrogen, LNG, refinery and petrochemical equipment, utilities, power generation, wastewater treatment, food processing, metals, and automotive manufacturing.
A former Senior Energy Systems Engineer at Standard Oil/BP, Mr. Puskar founded what became the largest ind...
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Kerollos Shaker, MD, FACEP
Expert Toxicologist/ER Doc/Clinical Asst Professor
SHAKER EMERGENCY SPECIALISTS PLLC
Houston, Texas
Emergency Medicine, Emergency Medical Toxicology
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Medical Toxicology, Emergency Medicine, Alcohol, Carbon Monoxide, Accidental overdose, Myocardial Infarction, Airway, Blood Clots, Snake Bites, Occupational Exposure, Addiction, Nursing Home, Antivenom, Workplace Exposure, Cannabinoids, Drugs of Abuse, Forensic Toxicology, Urine Drug Screens, Postmortem Death Analysis, Dram Shop
Dr. Kerollos Shaker is a board certified Emergency Medicine Physician and Medical Toxicologist in Houston, Texas. He graduated from University of Alabama School of Medicine. He completed residency in Emergency Medicine and fellowship in Medical Toxicology. Currently practicing as an ER Doctor and Toxicologist Consultant. He is also a Laboratory Director with experience in high-complexity labs. ATLS, ACLS, PALS certified. Medical Licenses in Texas and Florida. Also an Affiliate Clinical Assistant Professor with College of Medicine.
Email: kshakertox@gmail.com - Available for reviews in both Emergency Medicine/ER and Toxicology.
Toxicology Review:
-Forensic toxicology, postmortem interpretation of results,
-Exposures including Hydrogen Sulfide, Carbon Monoxide
-Acute overdoses in any setting,
-interpretation of drug testing (hair, oral, urine, blood, vitreous fluid),
-Delta-8-THC, Delta-9-THC, marijuana, cannabinoids,
-PeTH testing blood alcohol testing, ethyl glucuronide ...
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Laura A. Cantrell, CPM
Real Estate Property Management Practice Standards
Cantrell Real Estate Associates
Texas
Real Estate, Property Management
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Property management operations, Leasing & Sales, Residential & Apartment, Commercial Retail Office Industrial, HOA & Associations, Premise Liability, Slip & Fall, Maintenance & Inspections, Standards of Care, Landlord-Tenant Disputes, Personal Injury, Carbon Monoxide, Security & Safety, Operations, Risk Management
Laura Cantrell is the Principal of Cantrell Real Estate Associates, LLC and a Certified Property Manager (CPM®) through the Institute of Real Estate Management (IREM®). With over 40 years of industry experience, she brings deep expertise in the management, leasing, and sale of residential, commercial, and association properties.
Throughout her career, Laura has held prominent leadership roles, including serving as a Regional Vice President and a member of the Student Advisory Committee for IREM®. Since 2013, she has also contributed her insights as a member of the University of Alaska Real Estate Program Advisory Board. In addition to property management, her firm has provided consulting and expert witness services since 2018.
Laura is a Licensed Real Estate Broker in Alaska and maintains offices in Alaska, Texas, and California. She holds active memberships in several professional organizations, including the Community Association Institute (CAI), Building Owners and Managers Ass...
