Angelman Syndrome Foundation, The Angelman Syndrome Foundation is a national 501©(3) organization of families, caregivers and medical professionals who care about those with Angelman Syndrome. Our mission is to advance the awareness and treatment of Angelman Syndrome through education and information, research, and support for individuals with Angelman Syndrome, their families, and other concerned parties.

Foundation for Angelman Syndrome Therapeutics, The Foundation for Angelman Syndrome Therapeutics (or FAST) is an organization of families and professionals dedicated to finding a cure for Angelman Syndrome and related disorders through the funding of an aggressive research agenda, education, and advocacy.

Prader-Willi Syndrome Association, Dedicated to educating and assisting individuals and their families with PWS, Rett and Angelman Syndromes, Prader-Willi Syndromes