American Academy of Child and Adolescent PsychiatryThe AACAP, a 501(c)(3) non-profit organization, was established in 1953. It is a membership based organization, composed of over 7,500 child and adolescent psychiatrists and other interested physicians. Its members actively research, evaluate, diagnose, and treat psychiatric disorders and pride themselves on giving direction to and responding quickly to new developments in addressing the health care needs of children and their families.