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Center for Breakthroughs

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Cybin  |  Chief Clinical Officer

Adelia Therapeutics |  Chief Clinical Officer

Yale University  |  Clinical Research Fellow

New York University  |  Ph.D., Adjunct Instructor

Columbia University  |  Master's Student

Cambridge University  |  M.Phil.

Georgetown University  |  B.A.

Alexander Belser, Ph.D.

Dr. Alex Belser is a psychedelic researcher and psychologist at Yale University.  For the last 20 years, he has been a leader in the psychedelic clinical community, having served as an investigator on a number of clinical trials of psilocybin and MDMA to treat depression, anxiety, substance use, OCD, PTSD, and end-of-life distress.  He is the founding President of Nautilus Sanctuary, the first non-profit center for psychedelic medicine on the east coast.  He serves as the Chief Clinical Officer of Adelia Therapeutics, a Cybin company and the third largest publicly traded psychedelic life sciences company.  Dr. Belser’s research has been featured on the front page of the New York Times, in the Atlantic, the New Yorker, The Guardian, and in Michael Pollan's book, How to Change Your Mind.  

Dr. Belser has authored over a dozen peer-reviewed journal articles and chapters and has given over fifty lectures, presentations, and Grand Rounds about psychedelic medicine.  At Yale, Dr. Belser is investigating psychedelic treatments for OCD and depression.  He worked as a therapist on studies of MDMA-assisted psychotherapy for the treatment of severe PTSD.  He previously served on the Board of Advisors to Compass Pathways, then a non-profit organization.  He is a member of Chacruna Institute’s Women, Gender Diversity, and Sexual Minorities Working Group, where he works on issues affecting LGBTQI+ people.  

Dr. Belser studied at Georgetown University, the University of Cambridge, Columbia University, New York University, and Yale University.  Dr. Belser trained at Bellevue Hospital, Mount Sinai Beth Israel Hospital, and New York Psychiatric Institute at Columbia University.  He has also received extensive training in psychedelic psychotherapy from recognized senior teachers.  He is a student of somatic practices and is a licensed kundalini and hatha yoga teacher.  

His writing is available at  He maintains a private practice  at

Please note: Dr. Belser is not currently accepting new clients at this time.

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