Hemp Expert Witnesses

Hemp 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 hemp. The hemp expert witness listings on this page are typically from fields/areas of expertise such as: Forensic Pathology, Forensic Science, and Toxicology.

Bethany Pridgen, MFS The DEVAUS Group, LLC

Wilmington, North Carolina
Forensic Science, Toxicology - Controlled substances, DWI, DUI, retrograde extrapolation, driving while impaired, alcohol, drunk driving, cannabis, THC, marijuana, CBD, hemp, quality assurance, ISO 17025, laboratory management, laboratory accreditation, dram shop, back extrapolation, SFST, DRE, forensic lab policy, drug chemistry
Bethany has worked in the forensic science industry since 2005. Early in her career, she had the opportunity to open a new regional forensic science laboratory in southeastern NC. She began an 11 year journey and gained a career’s worth of experience as a laboratory director, quality assurance manager, laboratory scientist, grant writer and manager. She is a trained lead and technical assessor for ISO 17025:2017. She is extremely passionate about truth and justice and has learned that the legal system is not always fair. She has a strong desire to see people held accountable to high standards for their work when it affects the lives and freedom of others. She maintains high integrity in her work and interactions. She became very interested in the growing cannabis industry while working in the forensics world. She believes the cannabis testing industry has a lot to learn from the forensic science industry about how to self-regulate in a world where you are not regulated. She believe...

Margaret M Gedde, MD, PhD, DABPath Gedde Whole Health LLC

Fredericksburg, Virginia
Toxicology, Forensic Pathology - THC DUI/DWI, Marijuana DUI/DWI, Medical Toxicology, Forensic Toxicology, Cannabis, Medical Marijuana, Hemp, THC, CBD, Cannabinoid Medicine, Cannabinoid Pharmacodynamics, Cannabinoid Pharmacokinetics, THC Blood Testing, THC Drug Testing, Blood Cannabinoids, THC Impairment, Marijuana Impairment.
Dr. Gedde provides clinical expertise in medical use of cannabinoids through her cannabis-focused telemedicine practice. She is known for a clinical focus in use of cannabinoids in pediatric epilepsy. Dr. Gedde is knowledgeable about the environment around medical marijuana for physicians and has been qualified in civil and administrative courts as an expert witness regarding the practice of cannabis medicine. In addition to the MD degree, Dr. Gedde holds a PhD in Chemistry and is Board Certified in Clinical Pathology, the medical specialty that includes toxicology. As a medical toxicology expert witness, Dr. Gedde brings authoritative clarity to interpretation of blood cannabinoids in criminal and civil THC DUI/DWI cases. Dr. Gedde’s background also includes post-doctoral research into the molecular biology of bacterial pathogenesis at the University of California at Berkeley and five years in the pharmaceutical industry as a clinical microbiology director and consultant. She h...