The Phelan-McDermid Syndrome Foundation (PMSF) is a 501(c)(3) nonprofit organization is comprised of a diverse network of directors, advisors, staff members, and community volunteers who work steadfastly to improve the quality of life of all those affected by Phelan-McDermid syndrome (PMS).It is the mission of the Phelan-McDermid Syndrome Foundation to improve the quality of life of people affected by PMS worldwide by providing family support, accelerating research, and raising awareness.Our strategic goals play a critical role in driving action and delivering desired mission results. Our goals focus on building and maintaining an organization that delivers on our three mission imperatives through excellent programming and fundraising stewardship.