The Professor Peseschkian Foundation was founded by Prof. Dr. Nossrat Peseschkian and his wife Manije Peseschkian in 2006.

Prof. Dr. Nossrat Peseschkian, psychiatrist and psychotherapist (1933-2010), was the founder of positive psychotherapy since 1968 under the term differentiation analysis and since 1977 positive and transcultural psychotherapy.

Manije Peseschkian (1940-2020) studied biology and completed training as a family therapist. She worked on the board of the foundation.