From Wikipedia, the free encyclopedia Russell Wendell Simmons (born October 4, 1957) is an American entrepreneur, the co-founder, with Rick Rubin, of the pioneering hip-hop label Def Jam, and creator of the clothing fashion lines Phat Farm, Argyleculture, and American Classics. Russell Simmons is the third richest figure in hip-hop, having a net-worth estimate of $340 million. Description above from the Wikipedia article Russell Simmons, licensed under CC-BY-SA, full list of contributors on Wikipedia.