Mr Sulat succeeds Peter Barrett, who is leaving the board after five years of service, including serving as chairman since June 2005.
Most recently, Mr Sulat served as the CFO and as a director of Memory Pharmaceuticals. Mr Sulat has received a BS in administrative sciences from Yale University, and an MBA and an MS in health services administration from Stanford University.
Craig Wheeler, president and CEO of Momenta, said: “Jim is a respected and valued member of our board, and we are very pleased to name him as chairman. His wealth of industry experience, coupled with his deep knowledge of Momenta, provide us with great confidence in his ability to help guide the company through our next phase of growth and development.”