sentences:  Larson served as the chairman of the board of the Massachusetts Convention Center Authority (MCCA) from 1999 to 2010.Under her leadership, the organization oversaw the renovation of the MassMutual Center in Springfield and the $800 million construction of the Boston Convention and Exhibition Center, which opened in June 2004 in Boston's waterfront district.In 2006 Larson supported Deval Patrick for Massachusetts Governor.