Herbert H. "Herb" Kohl (born February 7, 1935) is an American businessman and politician. He is a former United States Senator from Wisconsin and a member of the Democratic Party. He is also a philanthropist and the former owner of the Milwaukee Bucks of the National Basketball Association. He did not seek reelection in 2012 and his term ended on January 3, 2013. He was succeeded by fellow Democrat Tammy Baldwin.