James Fadiman is an American psychologist and writer. He is acknowledged for his extensive work in the field of psychedelic research. He co-founded along with Robert Frager the Institute of Transpersonal Psychology, which later became Sofia University, where he was a lecturer in psychedelic studies. He is one of the foremost researchers in microdosing. Dr. Fadiman recently released "Your Synchrony of Selves," positing the theory of a healthy multiplicity of selves.
https://www.jamesfadiman.com