Michael Pollan is a writer, teacher, and activist. His most recent book is How to Change Your Mind: What the New Science of Psychedelics Teaches Us About Consciousness, Dying, Addiction, Depression and Transcendence. All seven of his previous books were New York Times bestsellers.

Rick Doblin, PhD, is the founder and executive director of the Multidisciplinary Association for Psychedelic Studies (MAPS). He received his doctorate in Public Policy from Harvard's Kennedy School of Government. His professional goal is to become a legally licensed psychedelic therapist.

Julie Holland, MD, is a psychiatrist and author of Weekends at Bellevue and Moody Bitches; editor of The Pot Book and Ecstasy: The Complete Guide; and medical monitor for clinical studies of cannabis and MDMA-assisted psychotherapy in the treatment of PTSD in veterans.

Ben Sessa is an MD psychiatrist interested in the developmental trajectory from child maltreatment to adult mental disorders. He is a MAPS and Compass-approved MDMA and psilocybin psychotherapist and senior research fellow at Bristol and Imperial College London Universities, and has been a study doctor administering and receiving LSD, DMT, psilocybin, MDMA, and ketamine on scientific studies. He is the author of multiple articles and medical textbooks exploring psychedelics, including Psychedelic Renaissance, and is co-founder and director of the Breaking Convention conference.

Martin A. Lee is the director of Project CBD and the author of several books including Acid Dreams: The Complete Social History of LSD - the CIA, the Sixties and Beyond, and Smoke Signals: A Social History of Marijuana - Medical, Recreational and Scientific.

Marsha Rosenbaum is director emerita of the Drug Policy Alliance in San Francisco where she founded the Safety First drug education project. She was principal investigator on several NIDA-funded studies and author of numerous books and articles about drug policy.

David Presti, PhD, is a teaching professor of neurobiology and psychology at the University of California in Berkeley.

Allan Badiner is the editor of Zig Zag Zen: Buddhism and Psychedelics, Dharma Gaia: A Harvest in Buddhism and Ecology, and Mindfulness in the Marketplace. He is also a contributing editor of Tricycle magazine, producer of Psychedelic Integration, and co-producer of the Entheowheel series.