Matthew W. Johnson, Ph.D.

Matthew W. Johnson, Ph.D., Associate Professor at Johns Hopkins, is an expert on psychedelics, other drugs, and addiction. Working with psychedelics for >15 years, he has published 119 papers with 47 on psychedelics.

Matt published psychedelic safety guidelines in 2008, helping to resurrect psychedelic research. He published the first research on psychedelic treatment of tobacco addiction in 2014, and the largest study of psilocybin in treating cancer distress in 2016. His recent psilocybin review recommended placement in Schedule-IV upon medical approval. He has personally guided >100 psychedelic sessions. 

Matt also conducts behavioral economic research on both addiction and sexual risk. He has published studies on nearly all psychoactive drugs classes, and is President of the Psychopharmacology and Substance Abuse Division of the American Psychological Association. He is also President-Elect of the International Society for Research on Psychedelics, playing a lead role in founding this organization.

Matt has been interviewed by the New York Times, Washington Post, Wall Street Journal, BBC, CNN, Fox Business News, NPR, CBS News, and NBC News.