William F. Weld served as Governor of Massachusetts from January 1991 to July 1997. Mr. Weld was the Vice Presidential nominee for the Libertarian Party during the 2016 U.S. Presidential campaign. Prior to serving as governor of Massachusetts, Mr. Weld served as the U.S. Attorney for Massachusetts from 1981 until 1986, when he was appointed by President Reagan to lead the Criminal Division of the Department of Justice in Washington, D.C., where he served until 1988. Prior to his service as a U.S. Attorney, Mr. Weld served as a staff member of the U.S. House of Representatives (participating in the Nixon impeachment proceedings) and the U.S. Senate. Governor Weld is a member of the Council on Foreign Relations in New York and served by appointment of the President on the U.S. Holocaust Memorial Council. He serves as an associate member of the InterAction Council, a working society of former heads of state from throughout the world, which reports on issues of global concern such as energy, food, water, nuclear proliferation, and religious sectarianism.