Dr. Russell Lewis, forensic toxicologist with three decades of professional forensic toxicology experience, is the chair of the NSC Alcohol, Drug and Impairment Division. He practices as an independent forensic toxicology consultant and serves as an adjunct assistant professor of forensics at the Oklahoma State University Center for Health Sciences School of Forensic Sciences.

Dr. Lewis spent 29 years as a toxicologist at the Bioaeronautical Sciences Laboratory within the Federal Aviation Administration Civil Aerospace Medical Institute, where he ultimately served as branch manager of the Bioaeronautical Sciences Research Laboratory. During his tenure, he contributed extensively to forensic and analytical toxicology research and operations. He has authored or co-authored more than 85 scientific journal articles, book chapters and government reports. Dr. Lewis is a board-certified forensic toxicologist through the American Board of Forensic Toxicology.

Dr. Lewis’s academic background includes a bachelor of science degree with dual majors in chemistry and mathematics from Black Hills State University (1991), a master’s degree in chemistry from the University of Oklahoma (1994), a specialization in neuroscience from the University of Oklahoma Health Sciences Center (1995), and a Ph.D. in analytical chemistry from the University of Oklahoma (1997). Dr. Lewis resides on a small acreage in Newcastle, Oklahoma, a suburb of Oklahoma City.