Joseph Williams net worth: Joseph Williams is an American singer and film score composer who has a net worth of $20 million. Joseph Williams was born in Santa Monica, California in September 1960. His father is the world-famous composer John Williams. Joseph Williams is best known for being the front man of the rock band Toto. The band formed in 1976 and broke up in 2008 before reforming in 2010. Williams was a vocalist for Toto from 1986 to 1988 and then again since 2010. He has been featured on the Toto albums Fahrenheit in 1986, The Seventh One in 1988, Toto XX in 1998, Falling in Between in 2006, and Toto XIV in 2015. He has also released the solo albums Joseph Williams in 1982, I Am Alive in 1996, 3 in 1997, Early Years in 1999, Vertigo in 2003, Two of Us in 2006, Smiles and Tears in 2007, This Fall in 2008, and Williams/Friestedt in 2011. His grandparents included Johnny Williams, Melville Ruick, and Lurene Tuttle and he is the son of composer John Williams and actress Barbara Ruick.