Dr. Marc A LeBeau
O'Fallon, MO 63368
Office: 314-312-1284
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 the EVAW International Visionary Award.
Dr. LeBeau has spent much of his career advancing forensic sciences, contributing his expertise to numerous national commissions and working groups. He has been honored with prestigious awards, including the FBI Director’s Award for Outstanding Scientific Advancement.
- Alcohol
- Alcohol Abuse
- Alcohol, Drug & DUI Testing
- Analytical Testing Labs
- Chemicals
- Criminalistics
- Drug Abuse
- Human Trafficking
- Marijuana
- Pharmacology
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A: Board Certified Fellow of the American Board of Forensic Toxicology
University of Maryland - Baltimore
Doctor of Philosophy in Toxicology
Saint Louis University
Graduate Course Work in Pathology and Toxicology
University of New Haven
Master of Science Degree in Forensic Science
Central Missouri State University
Bachelor of Arts Degree in Chemistry & Criminal Justice - Q: Please list your affiliations or memberships in any professional and/or industry organizations:
- A: American Academy of the Forensic Sciences (AAFS); Fellow
The International Association of Forensic Toxicologists (TIAFT); Member
Society of Forensic Toxicologists (SOFT); Full Member
ASTM International; Member
- Q: Please list any teaching or speaking experience you have had, including subject matter:
- A: Numerous teaching and speaking engagements on topics of general forensic toxicology; analytical methods in forensic toxicology; drug and alcohol facilitated sexual assault investigations; method validation; uncertainty of measurement; gamma-hydroxybutryate (GHB); general forensic chemistry; forensic science improvement; and forensic science standards of practice.
- Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: No
- Q: For what area(s) of expertise have you been retained as an expert?
- A: Forensic toxicology
Seized drugs analysis
General unknown analysis
Drug-Facilitated Sexual Assault - Q: On how many occasions have you had your deposition taken?
- A: Dozens of times
- Q: On how many occasions have you been qualified by a court to give expert testimony?
- A: Over 75 times
- Q: On how many occasions have you testified as an expert in court or before an arbitrator?
- A: Over 75 times
- Q: For how many years have you worked with the legal industry as an expert?
- A: Over 30 years
- Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
- A: Consulting; expert reports; can facilitate toxicological testing
Available Upon Request