Marijuana Impairment Expert Witnesses

Peachtree City, Georgia

Toxicology, Dram Shop & Alcohol Services - Drug Impairment, Alcohol Intoxication, Retrograde Extrapolation, Widmark Equation, Alcohol Calculations, Sobriety Testing, DUI Accident, DWI Crash, Drug Recognition Expert, Forensic Toxicology, Marijuana Impairment, Cannabis THC, Drug Facilitated Crime, Server Training, Dram Shop, Serum Alcohol, Hospital BAC, SFST, Human Performance

Matthew Myers, MS, MPA, is a nationally recognized expert witness and consultant in drug- and alcohol-related human performance impairment. With over 20 years of investigative experience and advanced clinical toxicology education, Matt brings a unique interdisciplinary perspective to civil litigation, combining scientific expertise and practical experience. Areas of Expertise Matt’s consulting practice focuses on civil matters, including impaired driving crashes, dram shop liability, alcohol service, workplace impairment, and other related areas. His services include case review, toxicology interpretation, behavioral analysis, alcohol calculations, procedure evaluation, and assessment of evidentiary sufficiency against accepted standards. His background in pharmacology and toxicology, along with practical experience evaluating impaired individuals, allows him to explain both the mechanisms of drug and alcohol effects and describe their real-world impact from personal observations....

Fredericksburg, Virginia

Toxicology - THC DUI/DWI, Marijuana DUI/DWI, Methamphetamine Testing, Forensic Toxicology, Cannabis, Medical Marijuana, Hemp Testing, Blood Alcohol Testing, CBD Tests, Cannabinoid Pharmacokinetics, Alcohol Hair Testing, THC Blood Testing, THC Drug Testing, Blood Cannabinoids, THC Impairment, Marijuana Impairment

Margaret M. Gedde, MD, PhD, brings authoritative clarity to interpretation of Blood Cannabinoids and other drugs in criminal and civil THC DUI / DWI cases, providing data-driven interpretation of blood levels based on recognized sources in testimony and in written reports. In addition to the MD degree, Dr. Gedde holds a PhD in Chemistry from Stanford University and is Board Certified in Clinical Pathology, the medical specialty that includes toxicology. Litigation Support - Dr. Gedde has 22 years of experience in clinical practice, with 15 of those in cannabis medicine. She has been in active practice for 10 years as an expert witness for cases involving cannabis and other drugs, with testimony 13 times at a trial, hearing, or deposition in the past four years. Dr. Gedde helps defense attorneys use medical pharmacology and toxicology findings to cross-examine witnesses who testify regarding interpretation of THC blood tests. Dr. Gedde is knowledgeable about the environment around ...