William "Bill" Brough is an American politician currently serving in the California State Assembly. He is a Republican representing the 73rd district, encompassing southern Orange County. Prior to being elected to the state assembly, he was a Dana Point councilmember. Previously, Brough served as Chief of Staff to California State Assemblywoman Diane Harkey in the 73rd Assembly District, as the White House Liaison at the Department of Veterans Affairs in Washington D.C.