Aaron Klaiber studied Clinical Psychology and Neuroscience at the University of Basel. Since 2020 he has been a PhD candidate in the psychopharmacology research group of Prof. Matthias Liechti at the University Hospital Basel where he investigates the acute subjective and autonomic effects of psychedelics, such as mescaline, LSD and DMT. He has accompanied over 200 psychedelic experiences. In 2022 he has started psychotherapy training and has been working clinically as psychotherapist.