For nearly four decades, the Massachusetts Down Syndrome Congress has fought to ensure that all individuals in Massachusetts with Down syndrome are valued, included, and given every opportunity to pursue fulfilling lives.Today, MDSC has 5,000 members, a professional Board of Directors, a dynamic Management Team, and a vision to ensure that every person with Down syndrome has the opportunity to reach his or her full potential.Our broad array of programs, our four Centers of Excellence and our comprehensive Resource Library, serve people with Down syndrome throughout their lifespans; and families throughout the state and beyond, putting MDSC on the cutting edge of Down syndrome advocacy nationwide.