Osac Expert Witnesses
Osac 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 osac. The osac expert witness listings on this page are typically from fields/areas of expertise such as: Forensic Science and Toxicology.
Marc A LeBeau, PhD, F-ABFT
Renowned Forensic Toxicologist - Former FBI
LeBeau Forensic Toxicology Consulting
O'Fallon, Missouri
Toxicology, Forensic Science
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alcohol, drugs, rape, driver, injury, insurance, fbi, standards, osac, speaker, poison, testing, drug-facilitated, assault
Dr. Marc LeBeau is a renowned, board-certified toxicologist with over 35 years of experience, primarily at the FBI Laboratory in Quantico, Virginia. He specializes in drug and alcohol-facilitated crimes, poisonings, and postmortem investigations, offering consultation services and testimonial support in civil cases. Dr. LeBeau holds a bachelor's degree in chemistry and criminal justice, a master's in forensic science, and a doctorate in toxicology. He has testified in various courts across the United States. He is an active member of numerous scientific organizations, having held leadership roles in several, including The International Association of Forensic Toxicologists (TIAFT) and the Society of Forensic Toxicologists (SOFT). He has significantly contributed to advancing forensic sciences, serving on multiple national commissions and working groups. Dr. LeBeau has received several prestigious awards, including the FBI Director’s Award for Outstanding Scientific Advancement and t...