Jennifer Harmon

Jennifer Harmon is a forensic toxicology and crime laboratory operations expert specializing in toxicology, drug analysis, and impaired driving investigations. With a career spanning forensic laboratory leadership, legislative advocacy, and expert testimony, she brings a multifaceted perspective to her litigation work. Her work centers on investigating drug-facilitated crimes, assessing drug and alcohol impairment, and evaluating whether laboratory practices meet accreditation standards.

Ms. Harmon has been retained in numerous expert witness and consulting engagements across California, involving cases of drug-facilitated crimes, DUI/DUID investigations, and forensic laboratory operations. Her Master of Public Administration, along with certifications such as ISO/IEC 17025 & 17020 Lead Assessor & Technical Assessor, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving toxicology and forensic science.