He is past president and fellow of New York Institute for Gestalt Therapy, where he teaches, and past president of the Association for the Advancement of Gestalt Therapy. He was editor of the journal, Studies in Gestalt Therapy: Dialogical Bridges, and he co-edited the book, Continuity and Change: Gestalt Therapy Now. He is adjunct faculty at The Gestalt Associates of New York, The Center for Somatic Studies (New York), and the Istituto Di Gestalt HCC (Syracuse, Italy); and international faculty at Gestalttherapysydney (Sydney, Australia).