Mr. Jonathan Heywood is a consultant focused on exposure assessment, industrial hygiene, toxicology, and risk characterization. He is currently focused on asbestos, diesel-related exposures, e-cigarettes (vaping), airborne particles, and various other environmental toxicants. Current projects include litigation work, toxicological literature review, exposure assessment, and Covid support, among others. He holds an MPH in Environmental and Occupational Health from the University of Colorado.