Russell Wendell Simmons (born October 4, 1957) is an American
business magnate. The Chairman and CEO of Rush Communications cofounded the
hip-hop music label
Def Jam and created the clothing fashion lines Phat Farm, Argyleculture, and Tantris. Simmons most recently launched All Def Digital, an original content channel on YouTube with over a million subscribers. Simmons has been described as the third richest figure in
hip hop, having a net-worth estimate of $340 million in 2011.