Muscular Dystrophy Association | 27,774 followers on LinkedIn. Legacy. Impact. Momentum. #MDA75 | If you’re seeking to start or advance your career with a purpose, Muscular Dystrophy Association is an employer that will enable you to thrive. The Muscular Dystrophy Association is the #1 voluntary health organization in the United States for people living with muscular dystrophy, ALS, and related neuromuscular diseases. For over 70 years, MDA has led the way in accelerating research, advancing care, and advocating for the support of our families.