Tzachi Slonim

Tzachi Slonim, PhD , studied philosophy in the critical rationalist tradition before becoming a clinical psychologist. He maintains a private practice in New York City and is an adjunct professor at the Doctoral Programs in Clinical Psychology at the City University of New York and Pace University and at the Postdoctoral Program in Group Psychotherapy at Adelphi University. Richard M. Billow, PhD , is a clinical psychologist and holds postdoctoral certificates in psychoanalysis and group...See more

Tzachi Slonim, PhD , studied philosophy in the critical rationalist tradition before becoming a clinical psychologist. He maintains a private practice in New York City and is an adjunct professor at the Doctoral Programs in Clinical Psychology at the City University of New York and Pace University and at the Postdoctoral Program in Group Psychotherapy at Adelphi University. Richard M. Billow, PhD , is a clinical psychologist and holds postdoctoral certificates in psychoanalysis and group psychotherapy. For many years he directed the Postgraduate Group Program at the Derner Institute, Adelphi University. He is a frequent contributor to psychoanalytic and group literature, and the author of Relational Group Psychotherapy: From Basic Assumptions to Passion (2003), Resistance, Rebellion and Refusal: The 3 Rs (2010), and Developing Nuclear Ideas (2016). He is a clinical professor in the Postdoctoral Program in Psychoanalysis and Psychotherapy at Adelphi, and practices in Great Neck, New York. See less