Conducted the first LSD clinical trial after decades of global prohibition (2007-2012), reopening the door to the entire psychedelic renaissance. Has legally administered LSD and MDMA in psychotherapy for over 30 years — possibly the longest continuous legal psychedelic therapy practice in the world. Developed a psychedelic-assisted group therapy model treating 50 patients (2014-2020), predominantly with complex PTSD. Only available to Swiss residents under compassionate use framework.

Specialties

Depth orientation

Trained in psychodynamic methods and practices psycholytic (psychedelic) psychotherapy — defined as verbal, depth psychology psychotherapy involving experiences in altered states of consciousness induced by psychedelic drugs. His therapeutic framework integrates classical depth psychological understanding with the phenomenology of psychedelic experience.

Gasser’s approach Preparing for a first session with Gasser
For clinicians and organizations

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