Mark Robert Warner (born December 15, 1954) is an American businessman and politician serving as the senior United States senator from Virginia, a seat he has held since 2009. A member of the Democratic Party, Warner served as the 69th governor of Virginia from 2002 to 2006. He is vice chair of the Senate Democratic Caucus and chair of the Senate Intelligence Committee. In 2006, Warner was widely expected to pursue the Democratic nomination in the 2008 U.S. presidential election, but he announced in October 2006 that he would not run, citing a desire not to disrupt his family life. Warner delivered the keynote address at the 2008 Democratic National Convention, and was considered to be a potential vice presidential candidate until he took himself out of consideration after winning the Democratic nomination for the U.S. Senate.Running against his gubernatorial predecessor, Jim Gilmore, Warner won his first election to the Senate in 2008 with 65% of the vote. He was reelected in 2014, narrowly defeating Ed Gillespie, and in 2020 defeating Republican nominee Daniel Gade by twelve percentage points. Warner is the honorary chairman of Forward Together PAC. Before entering politics, Warner became involved in telecommunications-related venture capital during the 1980s. He founded and led the Columbia Capital firm. He also co-founded Capital Cellular Corporation. With a net worth of $214.1 million, Warner is the third-wealthiest member of Congress and its wealthiest Democrat.