His mother Julie is a writer and his father Mark Rosenbaum worked in pharmaceuticals. Rosenbaum often likes to play miniature golf. In 2001 Rosenbaum received a Saturn Award for his portrayal of Lex Luthor on Smallville.
Michael Owen Rosenbaum (born July 11 1972) is an American film and TV actor director producer and writer. He is best known for portraying Lex Luthor on the Superman television series Smallville a role that TV Guide included in their 2013 list of The 60 Nastiest Villains of All Time.