GAP is composed of over 200 thought leaders who come together twice a year to debate and think through pertinent issues in psychiatry. Among the national leaders in American psychiatry are numerous presidents of GAP who have also led other national psychiatric organizations.

In over 50 years, GAP has shared Presidents with such national organizations as: The American Psychiatric Association, the American College of Psychiatrists, and the American Academy of Child and Adolescent Psychiatry in the membership are men and women who have been honored for their extraordinary contributions to the field. GAP has researchers recognized nationally and internationally in the areas of addiction, geriatrics, child and adolescent psychiatry, terrorism and academics.