Gavin Christopher Newsom (born October 10, 1967) is an American politician. He is the 40th and current Governor of the U.S. state of California, serving since 2019. Before becoming governor, he was the 49th Lieutenant Governor of California from 2011 to 2019. He was also the 42nd Mayor of San Francisco from 2004 to 2011. Newsom is a Democrat. His father was judge William Newsom. 