Joseph Robinette "Joe" Biden, Jr. (born 20 November 1942) is an American lawyer and politician from Wilmington, Delaware. He is a member of the Democratic Party and the incumbent senior U.S. Senator from Delaware. Biden is currently serving his sixth term and is sixth-longest serving among current Senators and Delaware's longest-serving Senator. He is the Chairman of the U.S. Senate Committee on Foreign Relations in the 110th Congress. Biden has served in that position in the past, and he has served as Chairman of the U.S. Senate Committee on the Judiciary. He has officially filed as a candidate for the Democratic Party's nomination in the 2008 presidential election.