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Drugs Of Abuse Expert Witnesses

Drugs of abuse 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 drugs of abuse. The drugs of abuse expert witness listings on this page are typically from fields/areas of expertise such as: Emergency Medical Toxicology, Emergency Medicine, Forensic Pathology, Neuropathology, Pathology, Pharmaceutical Research, Pharmacology, Pharmacology- Clinical, and Toxicology.

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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 - 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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Ronald Tjalkens, PHD

Neurotoxicology Professor - Parkinson's, exposures

Barrow Neurological Institute

Phoenix, Arizona

Toxicology, Neuropathology - neurotoxicology, Parkinson's, pesticides, heavy metals, environmental toxicology, neurological disease, neuropathology, drugs of abuse, neurodegeneration, neuroinflammation, toxicology

Dr. Ronald Tjalkens, Ph.D., is a Professor of Neurology and Translational Neuroscience with over 25 years of NIH-funded research experience in Neurotoxicology investigating the molecular and cellular mechanisms of neuroinflammation and its role in the progression of neurodegenerative disorders, including Parkinson’s disease and Alzheimer’s disease. His expertise spans neurotoxicology, neuropharmacology, and the effects of environmental exposures—such as heavy metals, pesticides, neurotropic viruses, and pharmacologic agents—on the nervous system. He has extensive experience using translational models of neurodegeneration, advanced imaging techniques, and AI-based image analysis to evaluate neuroinflammatory injury and identify therapeutic targets in glial cells. Dr. Tjalkens has served as an expert witness in both civil and criminal cases involving neurotoxic injury, providing testimony on causation and mechanisms of neurological damage, and brings an internationally recognized reco...

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Howard S Robin, MD

Causation expert: medical legal and criminal cases

LJ Pathology Consultants

La Jolla, California

Pathology, Forensic Pathology - Motor Vehicular Accidents, Drug Overdose, Toxicology, Homicide, Opiates/opioids, DUI/DWI, Molecular Diagnostics, Immunology, Forensic Pathology, Autoimmune Diseases, Drugs of Abuse, Transfusion reactions, Laboratory medicine, Anatomic pathology, Clinical pathology, Immunopathology, Breast Cancer, Kidney, Liver, Blood Banking

48 years providing expert testimony in pathology cases. Extensive experience in deposition and courtroom testimony. Autopsy experience coroner's office. 37 years of experience directing clinical and anatomic pathology laboratories in hospital and outpatient settings. Special focus on blood banking, cancer diagnosis, toxicology, immunology, pharmacology, including drugs of use and drugs of abuse.

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Edward U Maduh, R.Ph., M.Sc., Ph.D.

Board licensed Clinical pharmacist & toxicologist

Washington, D.C., District Of Columbia

Toxicology, Pharmaceutical Research - Neurotoxicology mechanisms, Neuropharmacology, Pharmacy errors, Pharmacist duty standards, Drugs of abuse, Neuroscience, Chain drug stores, Drug & chemical safety, Clinical Research, Toxic exposures, Molecular toxicity, Envinronment toxicants, Accidental/Intentional overdose, Acute & chronic effects, Industrial tox, Mechanisms

Dr. Edward U. Maduh is a well accomplished toxicologist, pharmacologist, educator, and clinical pharmacist with extensive expertise in research, drug development, and pharmaceutical care. A U.S. citizen based in Washington, D.C., and Silver Spring, Maryland, Dr. Maduh holds a Ph.D. in Toxicology and Pharmacology from Purdue University, with a thesis on the "Mechanisms of Cyanide Neurotoxicity," along with an M.S. in Pharmacy (Pharmacology) from Idaho State University and a B.S. in Pharmacy from the University of Wyoming. His academic background is complemented by specialized certifications in Neuroscience (Purdue University Neuroscience Program) and Regulatory Issues in Biotechnology University of Maryland Baltimore County (UMBC) Baltimore, Maryland. Dr. Maduh's career spans more than four decades and is marked by significant contributions to understanding cyanide toxicity and antidote development. He has held major research positions, including Principal Investigator and Resident ...

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Alexandra Funk, PharmD, DABAT, FAACT

Funk Rothstein Toxicology Consulting

Tampa, Florida

Toxicology, Pharmacology- Clinical - Postmortem toxicology, overdose, poisoning, drugs of abuse, opioids, street drugs, prescription medications, over-the-counter medications, medication errors, ethanol, alcohol, DUI, marijuana, breastmilk drug transfer

Dr. Alexandra Funk is a board certified clinical toxicologist and licensed pharmacist with experience in toxicology, poison center management, pharmacology, emergency medicine, and hospital pharmacy practice. Dr. Funk regularly consults on toxicology cases in the state of Florida involving drugs of abuse, prescription medications, and over-the-counter medications in persons of all ages. Dr. Funk provides educational opportunities for both healthcare professionals and the lay public. Dr. Funk is actively involved as a member and in leadership roles within the organizations of American Academy of Clinical Toxicology, America's Poison Centers, and American Board of Applied Toxicology.

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Kerollos Shaker, MD, FACEP

Expert Toxicologist/ER Doc/Clinical Asst Professor

SHAKER EMERGENCY SPECIALISTS PLLC

Florida

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Aaron L Hilliard, PhD

Forensic Toxicologist Johns Hopkins Trained

Health Matters EMPT

Jacksonville, Florida

Pharmacology- Clinical, Toxicology - 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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Alberto Augsten, Pharm.D., M.S.,BCPP, DABAT

Board Certified Toxicologist/Psychopharmacologist

Augsten Consulting, LLC

Hollywood, Florida

Toxicology, Pharmacology- Clinical - Toxicology, Psychopharmacology, Pharmacy, Psychiatry, Addiction Medicine, DUI, Drugs of Abuse, Poisoning, Medication Errors, Overdose, Opioid Overdose, Forensic Toxicology, Drugs of Abuse Testing

Dr. Alberto Augsten, founder of Augsten Consulting, is a consultant and expert witness specializing in psychopharmacology and clinical toxicology. Offering professional, impactful, and strategic consulting services, Dr. Augsten caters to legal, healthcare, and clinical practice development. His expertise encompasses many areas, ensuring clients receive top-notch guidance and insights. Dr. Augsten is the only Dual Board Certified Toxicologist and Psychopharmacologist in the Nation, and has been qualified as an expert in Toxicology in both Criminal and Civil cases. Dr. Augsten thoroughly analyzes environmental substances, including metals, pesticides, toxic gases, solvents, particulates, carcinogens, industrial chemicals, allergens, and natural toxins. Our expertise ensures a comprehensive evaluation of potential exposures and their impact on health. Dr. Augsten specializes in providing tailored consulting services to assist in the development and optimization of clinical practic...

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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...

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Aaron L Hilliard, PhD

Forensic Toxicologist Johns Hopkins Trained

Health Matters EMPT

Georgia

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Arthur V. Prancan, PhD

Minooka, Illinois

Pharmacology, Toxicology - Alcohol, drugs of abuse, drug adverse events, medication errors, academic integrity

Rush Medical College, Chicago, 1973-2009. Instructor, Assistant Professor, Associate Professor. Acting Chairman, Associate Chairman in Pharmacology, 1995-2005; Assistant Dean, The Graduate College, 2004-2009; Founding Director, Pharmacology PhD Program, 1977-1997; Founding Director Biotechnology MS, 2005-2009. Course Director: Medical Pharmacology, Advanced Topics in Pharmacology, Experimental Models in Research, Advanced Nursing Pharmacology, Introduction to Physiology and Pharmacology, Advanced Pharmacokinetics, Toxicology. Committees: Institutional Review Board (IRB), Senior Faculty Appointments and Promotions, Research, Educational Appraisal, Student Evaluation and Promotions, Investigation/Authorship Guidelines, Development of Faculty as Teachers, Curriculum Committee, Admissions Committee. Research: Prostaglandins, Alcohol, Acetaldehyde, Endotoxin Shock, Platelets, Thromboxane, Platelet Activating Factor. Touro College of Osteopathic Medicine, New York, 2008-present. ...

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James P Adams, PharmD, DABAT

Toxicology Expert Witness | Drugs, Alcohol, Poison

Adams Toxicology Consulting & Expert Witness, LLC

Louisville, Kentucky

Toxicology, Pharmacology - Drugs of abuse, Alcohol intoxication, Pharmacokinetics, DUI, Kratom, Pharmacokinetics, Impaired driving, Blood alcohol interpretation, Drug impairment, Postmortem toxicology, Adverse drug event, Opioids, Fentanyl, Polypharmacy, Pharmcodynamics, Toxicology causation, Heavy metals, Urine drug screen, Blood testing, Withdrawal

James P. Adams, PharmD, DABAT is a board-certified clinical toxicologist and licensed pharmacist providing independent toxicology consulting and expert witness services for legal matters nationwide. His practice focuses on the interpretation of toxicology data, impairment analysis, and causation assessment in cases involving drugs, alcohol, and toxic exposures. Dr. Adams holds a Doctor of Pharmacy degree and is a Diplomate of the American Board of Applied Toxicology (DABAT). He has extensive experience reviewing medical records, laboratory results, timelines, and investigative materials in both criminal and civil litigation. His work includes evaluation of postmortem and antemortem toxicology findings, pharmacokinetic and pharmacodynamic principles, and the clinical significance of drug concentrations and interactions. In addition to consulting, Dr. Adams practices as a clinical toxicologist and serves as adjunct faculty, contributing to the education and training of healthcare pr...

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Patrick Filkins, PharmD, BCPS, DABAT

Clinical Toxicology & Pharmacology Expert Witness

Filkins Toxicology Consulting LLC

New York

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Richard A Stripp, Ph.D.

American Scientific Consultants Corp

Huntington, New York

Toxicology, Pharmacology - 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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Joshua N Nogar, MD

Medical Toxicology & Emergency Medicine Expert

Larchmont, New York

Toxicology, Emergency Medicine - Drug levels, Drugs of abuse, Opioids, Hallucinogens, Intoxication, Overdose, Benzodiazepines, Cocaine, Withdrawal, Addiction, Poisoning, Metals, Amphetamines, Agitated Delirium, DUI, Alcohol / Ethanol intoxication, Fentanyl, Post-Mortem Toxicology, Prescription Drugs, Emergency Medicine Malpractice

Dr. Joshua Nogar, MD, Medical Toxicologist  Assistant Professor of Emergency Medicine & Medical Toxicology, Northwell Health  Director, Division of Medical Toxicology, Northwell Health Fellowship Director, Medical Toxicology, Northwell Health Board Certifications: 1) Medical Toxicology, 2) Emergency Medicine, 3) Addiction Medicine Dr. Joshua Nogar is a board-certified Medical Toxicologist with extensive experience in clinical practice, academic teaching, and expert consultation. He is an Assistant Professor of Emergency Medicine and Medical Toxicology at the Donald & Barbara Zucker School of Medicine at Hofstra/Northwell Health, in Long Island, NY, where he leads the Division of Medical Toxicology and directs the Medical Toxicology Fellowship Program. Dr. Nogar completed his fellowship in Medical Toxicology at the University of California, San Diego (UCSD), from July 2009 to June 2011. He also completed his residency in Emergency Medicine at the University of New Mexico School ...