Heath Jolliff, DO

Heath Jolliff, DO is a medical toxicology and forensics expert specializing in forensic toxicology, drug abuse, and impairment cases. With a career spanning toxicology, emergency medical toxicology, and risk assessment, he brings a nuanced understanding of substance-related impairments and their implications in legal contexts. His work centers on investigating overdose incidents, assessing drug testing results, and evaluating whether impairment influenced behavior.

Mr. Jolliff has been retained in numerous expert witness and consulting engagements across the United States, involving cases of DUI, drug abuse, and toxicology assessments. His DO from Ohio University-COM, along with active medical licenses in Colorado and Ohio, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving marijuana, alcohol, and opioid-related impairments.