The Angelman Syndrome Foundation is a national organization of families, caregivers and professionals who care about those with Angelman Syndrome. It is a member organization of the International Angelman Syndrome Organization (IASO). As described in our by-laws, ASF’s 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.