Welcome to the Westchester Group Psychotherapy Society Web Site

A local affiliate society of the
American Group Psychotherapy Association, Inc.

Dedicated to the highest ethical and professional standards in the practice of group psychotherapy, Westchester Group Psychotherapy Society (WGPS) was formed to promote education, research, training, and the open exchange of ideas between mental health professionals on the practice of group psychotherapy. In addition, WGPS provides information on group psychotherapy to the general public.

Meetings are open to mental health professionals and students interested in the practice of group psychotherapy within the counties of Westchester, Rockland, Duchess, Putnam, and Orange, in New York State, and adjacent areas of Southern Connecticut.

COVID-19: Caring for the Caregivers


Virtual Day-Long Process Group Experience

Saturday, December 11, 2021
(Debriefing with group from 4:30-5:00pm)


Margaret Postlewaite, PhD, CGP, SEP, FAGPA
Leo Leiderman, PsyD, ABPP, CGP, FAGPA



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Virtual Presentation

“Employing the Unique Properties of group in Psychodynamic, Process-Oriented Group Therapy:
Addressing Personality Disorder-Related Traits”

Presenter: Kenneth M. Pollock, Ph.D., CGP  

Friday, January 21, 2022
3:30 – 5:30 pm 



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Renew your membership today:

New applicants and renewing WGPS members can now submit their membership application online by clicking here.

To complete the Group Therapy Questionnaire online: Please click here

Members may download the Group Therapy Questionnaire using this link (it's a Word document) and type in your information, then email it to contactWGPS@gmail.com.

Dues payment can be made online by clicking this link: Pay Dues

WGPS has recently instituted a "suggestion box" for the input of your ideas and feedback. Please use it!  We want to hear from you. (Click here)


The American Group Psychotherapy Association (AGPA) offers an extensive listing of meetings, events and training. Please visit the AGPA website, www.agpa.org, for all upcoming events.

Westchester County Psychological Association offers ongoing programming related to clinicians in Westchester, working in private practice, schools, agencies and academic settings.  These programs are not always group-related but always interesting and relevant to our work as therapists. Please visit WCPA's website, http://westchesterpsych.org/calendar.html, for more details.