Cannabis / Marijuana Expert Witnesses

Cannabis / marijuana 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 cannabis / marijuana. The cannabis / marijuana expert witness listings on this page are typically from fields/areas of expertise such as: Emergency Medical Toxicology and Toxicology.

Daniel L Overbeek, MD

Rockford, Michigan
Emergency Medical Toxicology, Toxicology - Cannabis / Marijuana, Kratom / Mitragynine, Vaping / Electronic Cigarettes, Overdose, Intoxication, Drug Testing / Drug Screens, Dram Shop / Alcohol, Performance Enhancing Drugs, Methanol, Emergency Medicine
Board Certified in Emergency Medicine, Medical Toxicology and Addiction Medicine. Full-time practicing Emergency Medicine, Medical Toxicology and Addiction Medicine. I am licensed in Michigan and New York, and am available to travel for cases as needed. I have experience reviewing cases regarding intoxication including dram shop liability, interpreting drug testing results including cannabis testing for both civil and criminal cases, as well as regarding liabilities in the setting of drug overdose including heroin/fentanyl. I am published on a variety of medical toxicology topics, including kratom / mitragynine, cannabis, vaping and electronic cigarettes. Experience in managing a wide range of clinical cases regarding substance use, intoxication, withdrawal syndromes, environmental and occupational exposures.