American Group Psychotherapy Association (AGPA)
Founded in 1942

Address: AGPA Main Office
25 East 21st St., 6th Floor
New York, NY
10010
USA

Website: http://www.agpa.org/ 

Phone: (212) 477-2677
Fax: (212) 979-6627
Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

[From the web]
The AGPA organization is an interdisciplinary community that has been enhancing practice, theory and research of group therapy since 1942. AGPA provides the support you are looking for to enhance your work as a mental healthcare professional or your life as a member of a therapeutic group.