Altitude

Research Landscape

Top Researchers

The people actually running the trials and publishing the data.

NameAffiliationLocationCredentialsPapers

Matthew W. Johnson

Led the first federally-funded psilocybin treatment trial in roughly 50 years and co-authored the 2016 cancer-related depression and anxiety psilocybin trial. Spent 20 years at Johns Hopkins before moving to Sheppard Pratt in 2024.

Senior Investigator, Center of Excellence for Psilocybin Research and Treatment, Sheppard Pratt Health SystemBaltimore, Maryland, USPhDView →

Frederick S. Barrett

Principal architect of Hopkins' fMRI and neuroimaging work on psychedelics, including the 2021 randomized trial of psilocybin-assisted therapy for major depressive disorder.

Director, Johns Hopkins Center for Psychedelic & Consciousness ResearchBaltimore, Maryland, USPhDView →

Natalie Gukasyan

Lead author on the landmark 12-month follow-up study showing durable psilocybin-assisted therapy effects for major depressive disorder, done while inaugural Medical Director of Hopkins' psychedelic center.

Assistant Professor of Psychiatry, Columbia University Irving Medical Center / New York State Psychiatric InstituteNew York, New York, USMDView →

Christopher Pittenger

Directed Yale's first randomized, placebo-controlled trial of psilocybin for OCD.

Director, Yale Program for Psychedelic Science; Professor of Psychiatry, Yale School of MedicineNew Haven, Connecticut, USMD, PhDView →

Benjamin Kelmendi

Principal Investigator on Yale's multi-site Phase 2 trial of psilocybin for treatment-resistant OCD.

Co-Director, Yale Program for Psychedelic Science; Assistant Professor of Psychiatry, Yale School of MedicineNew Haven, Connecticut, USMDView →

Michael P. Bogenschutz

Senior author of the 2022 JAMA Psychiatry trial showing psilocybin-assisted therapy reduced heavy drinking days in adults with alcohol use disorder — the first large modern RCT of its kind.

Director, NYU Langone Center for Psychedelic Medicine; Professor of Psychiatry, NYU Grossman School of MedicineNew York, New York, USMDView →

Robin Carhart-Harris

Pioneered the fMRI studies of LSD and psilocybin underpinning the "entropic brain" hypothesis, first at Imperial College London (which he founded), then at UCSF since 2022.

Ralph Metzner Distinguished Professor of Neurology and Psychiatry; Founding Director, Neuroscape Psychedelics Division, UCSFSan Francisco, California, USPhDView →

Jennifer Mitchell

Lead investigator on the MAPS/Lykos MDMA-assisted therapy Phase 3 trials for PTSD.

Professor of Neurology and Psychiatry, UCSF; Associate Chief of Staff for Research, SF VA Medical CenterSan Francisco, California, USPhDView →

Boris Heifets

Runs mechanistic studies testing whether ketamine's antidepressant effect requires a conscious drug experience, and leads an active Stanford trial on psilocybin under anesthesia.

Associate Professor of Anesthesiology, Perioperative and Pain Medicine, Stanford UniversityStanford, California, USMD, PhDView →

Gül Dölen

Discovered that MDMA reopens a critical period for social reward learning in mice (Nature, 2019), then showed the effect generalizes to other psychedelics (Nature, 2023).

Professor of Psychology, UC Berkeley (Renee & U.S. Marine LCpl Bob Parsons Endowed Chair)Berkeley, California, USMD, PhDView →

David E. Olson

Coined the term "psychoplastogen" and led development of non-hallucinogenic neuroplasticity-promoting compounds. Also co-founded and holds an active advisory role at Delix Therapeutics.

Founding Director, UC Davis Institute for Psychedelics and Neurotherapeutics; Professor of Chemistry & Biochemistry/Molecular Medicine, UC DavisDavis, California, USPhDView →

Bryan Roth

His lab solved the first high-resolution cryo-EM structures of psychedelics bound to the 5-HT2A serotonin receptor and invented DREADD chemogenetic receptor technology.

Michael Hooker Distinguished Professor of Pharmacology, UNC School of Medicine; Director, NIMH Psychoactive Drug Screening ProgramChapel Hill, North Carolina, USMD, PhDView →

David Nutt

Founded Imperial College London's Centre for Psychedelic Research, the first university center of its kind, and led early modern PET/fMRI studies of psilocybin's effects on the brain.

Edmond J. Safra Professor of Neuropsychopharmacology; Director, Centre for Psychedelic Research, Imperial College LondonLondon, UKDM, FRCP, FRCPsych, FMedSciView →

Matthias Liechti

Runs the field's leading human-pharmacology lab for controlled LSD and MDMA dosing studies, generating much of the modern dose-response and pharmacokinetic data for both compounds.

Professor and Head, Clinical Pharmacology Division, University Hospital Basel / University of BaselBasel, SwitzerlandMDView →

Franz X. Vollenweider

Pioneered 1990s PET studies linking psilocybin and LSD effects to serotonin 2A receptor activity, laying the neurobiological foundation for the current research renaissance.

Professor Emeritus, University of Zürich; Director, Heffter Research Center ZürichZürich, SwitzerlandMDView →

James Rucker

Led the largest randomized trial to date of psilocybin for treatment-resistant depression, at King's/Maudsley.

Professor of Affective Psychopharmacology & Clinical Trials, King's College London; leads the Psychedelic Trials GroupLondon, UKBSc, MBBS, MRCPsych, PhDView →

Rachel Yehuda

Leading the MDMA-assisted psychotherapy trial for combat veterans with chronic PTSD at the Bronx VA.

Director, Center for Psychedelic Psychotherapy and Trauma Research, Icahn School of Medicine at Mount SinaiNew York, New York, USPhDView →

Charles Grob

Led the first FDA-approved modern psilocybin trial in humans — the Harbor-UCLA pilot study of psilocybin for anxiety in advanced-stage cancer patients (2004-2008).

Director, Division of Child and Adolescent Psychiatry, Harbor-UCLA Medical Center / David Geffen School of Medicine at UCLATorrance, California, USMDView →

Gerard Sanacora

Internationally recognized expert on ketamine's use in psychiatry, from the neurobiology of glutamate and GABA in mood disorders through to clinical application — one of the researchers whose work underpins Spravato's path to approval.

Director, Yale Depression Research Program; George D. Gross and Esther S. Gross Professor of Psychiatry, Yale School of MedicineNew Haven, Connecticut, USMD, PhDView →

Debra Kahn

Leads UC Davis Health's dedicated treatment-resistant depression clinic, offering TMS and esketamine alongside medication management for patients who haven't responded to standard antidepressants.

Director, Advanced Psychiatric Therapeutics Clinic, UC Davis HealthSacramento, California, USMDView →