School, where he directed the Cullman Chemoprotection Center, a leading center for the study and development of plant-based protective agents.  He had faculty appointments in three departments at Johns Hopkins Schools of Medicine and Public Health where he conducted laboratory and clinical trials, taught graduate courses, and mentored students since 1993.  He spent the first 15 years of his career in agricultural biotechnology research and industrial process development. Dr. Fahey “retired” in mid-2020 to focus his attention entirely on outreach and educational efforts which include podcasts, writing, and lecturing widely.  He maintains adjunct appointments at JHU and elsewhere and may be available to consult for socially responsible food and supplement companies and foundations.