Mo Cowan

William Maurice Cowan (born April 4, 1969) is an American lawyer who served as a United States Senator from Massachusetts from February 1, 2013, to July 16, 2013. A member of the Democratic Party, he previously served as legal counsel and chief of staff to Governor Deval Patrick. Patrick appointed him on an interim basis to fill the vacancy left by fellow Democrat John Kerry, who resigned to become U.S. Secretary of State.

Mo Cowan

William Maurice Cowan (born April 4, 1969) is an American lawyer who served as a United States Senator from Massachusetts from February 1, 2013, to July 16, 2013. A member of the Democratic Party, he previously served as legal counsel and chief of staff to Governor Deval Patrick. Patrick appointed him on an interim basis to fill the vacancy left by fellow Democrat John Kerry, who resigned to become U.S. Secretary of State.