Community members shaping the U.S. psilocybin movement

Academic Researcher

Advocate

Jesse Gould
Founder, Heroic Hearts Project

Former Army Ranger who founded Heroic Hearts Project to connect combat veterans with ayahuasca and psychedelic therapy — the most prominent veteran-focused psychedelic nonprofit in the United States.

David Bronner
CEO, Dr. Bronner's; Psychedelic Policy Advocate

CEO of Dr. Bronner's soap who has donated millions to psychedelic research and decriminalization campaigns, making his family company one of the largest private funders of psychedelic policy reform in

Ingrid Olson
Psilocybin Advocate; Oregon Measure 109 Campaign Leader

A leading advocate in the Oregon psilocybin movement who has worked to ensure that Measure 109's implementation remains true to its therapeutic and equitable access intentions.

Sheri Eckert (1963–2020)
Co-Architect, Oregon Measure 109; Marriage and Family Therapist

Marriage and family therapist who co-authored Oregon's Measure 109 with her husband Tom Eckert — the initiative that established the first state-level legal psilocybin therapy program in the US — and

Mark Haden
Researcher; Psychedelic Policy Analyst; University of British Columbia

Canadian public health researcher and MAPS Canada executive director whose harm reduction framework for regulating psychedelics has become one of the most-cited policy models for jurisdictions conside

Jeffrey Bronfman
Leader, Centro Espírita Beneficente União do Vegetal (UDV) USA; RFRA Plaintiff

Led the UDV's successful Supreme Court case Gonzales v. O Centro Espírita Beneficente União do Vegetal (2006) — the landmark ruling establishing that RFRA protects religious use of controlled psychede

Author

Author & Journalist

Clinician

Community Founder

Cultural Connector & Cultivation Industry Leader

Decriminalization Movement Leader

Documentary Journalist

Documentary Producer

Entheogenic Lawyer

Ethnomycologist

Indigenous Tradition Holder

Journalist

Medical Researcher

Movement Founder

Movement Leader & Equity Advocate

Mycologist

National Policy Leader

Other

Policy Analyst & Researcher

Policy Architect & Community Founder

Policy Pioneer & Service Center Operator

Policy Tracker & Movement Lead

Regulatory Director

Researcher

Alan Davis, Ph.D.
Assistant Professor, Ohio State University; Adjunct Researcher, Johns Hopkins

Led the first clinical trial of psilocybin specifically for major depressive disorder (not treatment-resistant) and is building one of the most productive psychedelic research programs at a Midwest un

Rick Strassman, M.D.
Clinical Psychiatrist; Researcher; Author of DMT: The Spirit Molecule

Conducted the first new psychedelic research on humans approved by the FDA since the 1970s — his DMT studies at UNM and subsequent book shaped a generation's understanding of the most potent psychedel

Dennis McKenna, Ph.D.
Ethnopharmacologist; Author; Founder, McKenna Academy

Ethnopharmacologist who conducted foundational research on ayahuasca pharmacology, brother of Terence McKenna, and founder of the McKenna Academy — a leading voice for rigorous science in psychedelic

Timothy Leary, Ph.D. (1920–1996)
Psychologist; Harvard Psilocybin Project Co-Director; Psychedelic Counterculture Figure

Harvard psychologist who co-directed the Harvard Psilocybin Project before his dismissal — his subsequent advocacy for psychedelics made him the central figure of 1960s counterculture and the most con

Erika Dyck, Ph.D.
Historian; Canada Research Chair in the History of Medicine; University of Saskatchewan

The leading historian of psychedelic medicine, whose research recovered the suppressed history of LSD therapy in Saskatchewan in the 1950s and 60s — the world's first large-scale psychedelic therapy p

Monnica Williams, Ph.D.
Clinical Psychologist; Associate Professor, University of Ottawa; OCD and Psychedelic Equity Researcher

A leading voice on racial equity in psychedelic research and therapy, and one of the few researchers conducting clinical trials specifically focused on MDMA-assisted therapy for PTSD in communities of

Thomas Insel, M.D.
Former Director, National Institute of Mental Health (NIMH); Author

Former 13-year NIMH director who, after leaving, became a major voice arguing that conventional psychiatry has failed patients — and that psychedelic therapies may represent the paradigm shift mental

Zach Walsh, Ph.D.
Professor of Psychology, University of British Columbia; Psychedelic Research Program Director

The most prominent psychedelic researcher in Canada — leading UBC's psilocybin research program and among the most published researchers on cannabis therapeutics and psychedelic policy.

Harriet de Wit, Ph.D.
Professor of Psychiatry; Director, Human Behavioral Pharmacology Laboratory, University of Chicago

One of the most rigorous behavioral pharmacologists studying psilocybin and MDMA — her human laboratory studies isolate the specific effects of psychedelic compounds on mood, cognition, and social beh

James Giordano, Ph.D., M.Phil.
Professor of Neurology and Biochemistry, Georgetown University; National Security Neuroethicist

Georgetown neurologist and neuroethicist whose work on the neuroscience and ethics of psychedelics includes national security dimensions — one of the very few researchers engaging seriously with both

Sacramental Church Leader

Sacramental Church Leader & Policy Pioneer

Sacramental Church Leader (Veterans Focus)

Therapeutic & Community Leader

Therapist

advocate

author

clinician

educator

entrepreneur

journalist

researcher

Roland Griffiths, Ph.D. (1944–2023)
Founding Director, Johns Hopkins Center for Psychedelic and Consciousness Research

The psychopharmacologist who relaunched modern psilocybin research with his 2006 landmark study and founded the first major US academic psychedelic research center.

Robin Carhart-Harris, Ph.D.
Head of Psychedelics Division, UCSF Weill Institute; Former Head, Imperial College London Psychedelic Research Group

The neuroscientist who developed the REBUS model of psychedelic action and led the first controlled trials of psilocybin for depression at Imperial College London.

Matthew Johnson, Ph.D.
Professor of Psychiatry, Johns Hopkins; Associate Director, Center for Psychedelic and Consciousness Research

Led the landmark psilocybin smoking cessation trial (80% abstinence at 6 months) and the first clinical trial of psilocybin for major depressive disorder.

James Fadiman, Ph.D.
Psychedelic Researcher; Author; Microdosing Research Pioneer

Creator of the Fadiman Protocol (1 day on, 2 days off) and author of The Psychedelic Explorer's Guide — his systematic microdosing documentation launched a global practice now evaluated in clinical tr

Michael Bogenschutz, M.D.
Director, NYU Langone Psychedelic Medicine Program

Led the landmark NYU psilocybin alcohol use disorder RCT — the first large randomized controlled trial of psilocybin for any substance use disorder.

Stanislav Grof, M.D., Ph.D.
Psychiatrist; LSD and Holotropic Breathwork Research Pioneer

Czechoslovakian psychiatrist who conducted the most extensive LSD therapy research before prohibition — his cartography of the psychedelic experience and development of Holotropic Breathwork shaped al

Charles Grob, M.D.
Child Psychiatrist; Palliative Care Psilocybin Pioneer; UCLA

Psychiatrist who conducted the first modern study of psilocybin in cancer patients — a pilot at Harbor-UCLA in 2011 that preceded the Hopkins and NYU landmark studies and established feasibility of th

Peter Hendricks, Ph.D.
Professor, University of Alabama at Birmingham; Psilocybin Addiction Researcher

Led the first randomized controlled trial of psilocybin for cocaine use disorder and is a leading researcher on psychedelics for addiction treatment in underserved populations.

Mendel Kaelen, Ph.D.
Researcher, Music and Psychedelic Therapy; Founder, Wavepaths

The world's leading researcher on music in psychedelic therapy — developed the therapeutic music playlists used in major clinical trials and founded Wavepaths.

Nese Devenot, Ph.D.
Psychedelics Scholar; Assistant Professor, Case Western Reserve University

Humanities scholar who studies the history, rhetoric, and politics of psychedelic science — a critical voice on psychedelic exceptionalism, patent activity, and the ideological dimensions of the psych

David Nichols, Ph.D.
Medicinal Chemist; Founder, Heffter Research Institute

Medicinal chemist whose synthesis of pharmaceutical-grade psilocybin made modern clinical trials possible, and whose founding of the Heffter Research Institute provided the early grant infrastructure

Katherine MacLean

Suresh Muthukumaraswamy

Charles Raison
Professor of Psychiatry, University of Wisconsin-Madison

Psychiatrist and researcher exploring psilocybin as a treatment for depression with a distinctive focus on inflammation as a driver of mental illness.

Ekaterina Malievskaia
Co-Founder and Chief Medical Officer, COMPASS Pathways

Co-founder and driving medical force behind COMPASS Pathways, the company running the largest psilocybin Phase 3 clinical trials for treatment-resistant depression in history.

Boris Heifets
Anesthesiologist and Psychedelic Mechanisms Researcher, Stanford University

Stanford anesthesiologist who has produced landmark research showing psilocybin's antidepressant effects may be separable from its psychedelic experience — potentially overturning a core assumption in

Gül Dölen
Neuroscientist, Johns Hopkins University

Johns Hopkins neuroscientist whose discovery that psychedelics reopen 'critical periods' of social learning in the brain has become one of the most influential mechanistic theories in contemporary psy

Christopher Timmermann
Consciousness and Psychedelic Neuroscience Researcher, Imperial College London

Imperial College London researcher specializing in the neuroscience of consciousness and psychedelic states, with landmark studies on DMT's effects on the dying brain and psilocybin's alteration of ne

Rafael Lancelotta, M.S.
Research Scientist, Johns Hopkins Center for Psychedelic and Consciousness Research

Psychedelic survey researcher at Johns Hopkins whose large-scale population-level studies document who uses psychedelics, why, and with what outcomes — bridging laboratory findings with real-world use

Ismail Loureiro, Ph.D.
Researcher, Brazilian Psychedelic Research; Ayahuasca and Psilocybin Ceremonial Contexts

Brazilian researcher studying psilocybin and ayahuasca in ceremonial and therapeutic contexts, bridging indigenous knowledge systems with clinical research methodology.

Katrin Preller, Ph.D.
Researcher, Neuropsychopharmacology; ETH Zurich and University of Zurich

Swiss neuroscientist whose research on psilocybin's effects on social cognition, empathy, and self-referential processing provides a mechanistic foundation for understanding how psychedelics alter int

Peter Gasser, M.D.
Psychiatrist; Conducted First Legal Psychedelic-Assisted Therapy Session in Decades

Swiss psychiatrist who conducted the first legal LSD-assisted psychotherapy research since the 1970s, establishing proof-of-concept for psychedelic-assisted therapy in terminally ill patients with lif

Ben Sessa
Psychiatrist and Psychedelic Researcher

UK psychiatrist and author who has championed MDMA-assisted therapy for PTSD and alcohol use disorder, conducting some of the earliest clinical trials of psychedelic-assisted treatment in Britain.

Jon Kosofsky
Mycologist and Researcher

Independent mycologist and researcher contributing to psilocybin species identification and cultivation science within the Oregon regulated psilocybin framework.

Hakwan Lau
Neuroscientist

Leading neuroscientist studying the neural mechanisms of consciousness and perceptual metacognition, with research directly relevant to understanding psychedelic states and the neuroscience of subject

Martin Wall
Author and Ethnobotanist

Author and ethnobotanist specializing in the historical and cultural use of psychoactive plants and fungi across world traditions.

Benny Shanon
Cognitive Psychologist

Cognitive psychologist at Hebrew University of Jerusalem whose phenomenological study of ayahuasca experiences produced one of the most detailed academic accounts of the psychedelic state.

Gita Vaid
Psychiatrist and Clinical Researcher

Psychiatrist and clinical researcher at Weill Cornell Medical College focusing on psilocybin-assisted therapy for depression and the design of rigorous psychedelic clinical trials.

Rosalind Watts
Clinical Psychologist

Clinical psychologist at Imperial College London who developed the ACER integration model and led landmark psilocybin for depression trials, among the most influential therapist-researchers in the fie

Jeffrey Guss, M.D.
Psychiatrist; NYU Psilocybin Researcher; Psychedelic-Assisted Therapy Trainer

NYU psychiatrist who served as co-investigator on the landmark 2016 psilocybin cancer anxiety trial and has become a leading trainer of psychedelic-assisted therapists through the NYU program.

Andrew Gallimore, Ph.D.
Computational Neurobiologist; DMT Researcher; Author

Computational neurobiologist whose theoretical and pharmacological research on DMT — including proposals for sustained intravenous DMT infusion — represents some of the most rigorous scientific thinki

Michael Mithoefer, M.D.
Psychiatrist; Lead MDMA-PTSD Researcher; MAPS Medical Director

The physician who conducted the first modern MDMA-assisted therapy trials for PTSD and carried them through Phase 3 — the most consequential psychedelic clinical trial program of the past two decades.

Conor Murray, Ph.D.
Neuroscientist; Psilocybin EEG Researcher, UCLA

UCLA neuroscientist whose EEG research on psilocybin's effects on brain oscillations and neural dynamics provides real-time measurement of how psilocybin alters the electrical activity of the brain.

David Nutt, D.M.
Neuropsychopharmacologist; Head, Imperial College London Drug Science; Former UK Drug Advisor

Britain's most prominent drug policy scientist — fired from the UK government's drug advisory council for stating that alcohol is more dangerous than psilocybin, and subsequently a driving force behin

Nora D. Volkow, M.D.
Director, National Institute on Drug Abuse (NIDA)

Director of NIDA since 2003 whose brain-imaging research on addiction transformed how medicine views substance use disorders — and whose evolving stance on psychedelic research has been pivotal for fe

scientist

therapist