International Prader-Willi Syndrome Organization (IPWSO)

IPWSO is the international non-profit membership organization supporting national Prader-Willi syndrome associations around the world, as well as people with PWS, their families and the professionals who work with them. Established in 1991, IPWSO has contacts in over 100 countries and works to share knowledge about PWS, connect people and increase awareness of the needs of people with PWS wherever they live.