Michael J. Kosnett, MD, MPH, FACMT has 30 years of experience as a physician specializing in medical toxicology and occupational and environmental health. He is board certified in internal medicine, medical toxicology, and preventive medicine (occupational medicine).
He has served in a leadership and advisory capacity to multiple national and international medical and public health organizations. This includes service as past president of the American College of Medical Toxicology and a member of the Committee on Toxicology of the National Academies of Sciences, Engineering, and Medicine and the Board of Scientific Counselors of the National Institute for Occupational Safety and Health. In addition, Dr. Kosnett has served as a consultant and temporary advisor to the World Health Organization; EPA Science Advisory Board expert panels; and advisory committees of the CDC National Center for Environmental Health and ATSDR. He has also served as a medical toxicology consultant to the US Army Public Health Command, the US Air Force Science Advisory Board, and the US Navy Naval Air Systems Command.
In 2016, the American College of Medical Toxicology awarded Dr. Kosnett the Matthew J. Ellenhorn Award, a career achievement award that recognizes “extraordinary contributions to the field of medical toxicology.” Dr. Kosnett participates in teaching rounds and conferences, and welcomes medical toxicology and occupational medicine fellows to work with him on complex clinical and forensic cases, projects and research.
Areas of Expertise
- Clinical pharmacology and toxicology of cannabinoids
- Clinical, occupational, and environmental toxicology of heavy metals (esp. lead, arsenic, mercury, cobalt, gadolinium, selenium) and metal chelating agents
- Aviation toxicology
- Toxicology of nanomaterials
Education, Licensure & Certifications
- MPH, Environmental Health Sciences, University of California, Berkeley, 1988
- MD, University of California, San Francisco, 1983
- BS, Molecular Biophysics & Biochemistry, Yale University, 1978
Awards
- NIOSH Bullard-Sherwood Award for Research to Practice: Knowledge Category, for project (with collaborators) “Preventing Worker Deaths from Exposure to Hydrocarbon Gases and Vapors at Oil and Gas Well Sites,” 2017
- Matthew J. Ellenhorn Award (career achievement award in recognition of “extraordinary contributions to the field of medical toxicology”), American College of Medical Toxicology, 2016
- United States Air Force, Director’s Award, F-22 Life Support System Task Force, 2013
- Academic Publication Award, Department of Medicine Clinical Faculty, University of Colorado School of Medicine, 2008
- Outstanding Service Award, American College of Medical Toxicology, 2008
Affiliations
- Member, Committee on Toxicology, National Academy of Sciences, Engineering and Medicine
- Fellow, American College of Medical Toxicology
Courses
- Preceptorship, Medical Toxicology Fellowship Program, Rocky Mountain Poison and Drug Safety
- Preceptorship, Occupational Medicine Residency Program, University of Colorado Anschutz Medical Campus
Research
- National Institute on Drug Abuse. R01DA049800 Novel approaches to assessing cannabis impaired driving, July 2020 - April 2025. Role: Co-Investigator
- Colorado Department of Public Health and Environment. 17 FHHA 97267. Comparative Assessment of Driving Impairment in Occasional Versus Heavy Marijuana Users. April 2017 to June 2020. Role: Co-Principal Investigator
- US Food and Drug Administration, Magellan LeadCare Field Study, August 2018 to 2021, Role: PI
- Agency for Toxic Substances and Disease Registry (ATSDR), U61 TS000117-01. Environmental Health and Toxicology: Professional Education and Public Health Consultation. Sept 2009 - Sept 2014. Role: PI
- US Air Force, Small Business Innovation Research grant, “Web Interfaced Nanotechnology Safety Guidance System (WINGS) [SBIR obtained by Luna Innovations, Inc;] 2007. Role: Project consultant
Publications and Presentations
- Kosnett MJ, Brooks-Russell A, Wang GS, Dooley G, Milavetz G, Friedman K, Heard S, Thibodeaux C, Schwarz J. Blood cannabinoid molar metabolite ratio is superior to blood THC as an indicator of recent cannabis smoking. J Med Toxicol [epub ahead of print], 2020. https://doi.org/10.1007/s13181-020-00759-7
- Conors N, Kosnett MJ, Kulig K, Nelson LS, Stolbach A. ACMT Position Statement: Interpretation of Urine for Tetrahydrocannabinol Metabolites. J Med Toxicol. 16:240-242; 2020
- Harrison RJ, Retzer K, Kosnett MJ, Hodgson M, Jordan T, Ridl S, Kiefer M. Sudden deaths among oil and gas extraction workers resulting from oxygen deficiency and inhalation of hydrocarbon gases and vapors – United States, January 2010 – March 2015. Morbidity and Mortality Weekly Report 65:6-9; 2016
- Thurtle N, Greig J, Cooney L, Amatai Y, Ariti C, Brown MJ, Kosnett MJ, Mousally K, Sani-Gwarzo N, Akan H, Shanks L, Dargan P. Description of 3,180 courses of chelation with dimercaptosuccinic acid in children ≤ 5 y with severe lead poisoning in Zamfara, Northern Nigeria: A retrospective analysis of programme data. PLoS Medicine 11:1-19; 2014
- Kosnett MJ. The role of chelation in the treatment of arsenic and mercury poisoning. J Med Toxicol 9:347-354; 2013