William Witenberg is a contemporary artist focused on abstract painting. He attended Pomona college and graduate school at Columbia University. His first one man show was in 1989. His work spans a range of media from painting , photography and sculpture to the blending of ancient watercolor technique with contemporary digital manipulation to create complex pieces that challenge and broaden the definitions of what we see. He is considered an expert on the Blockchain and crypto currencies. Prior to being a full time painter he owned his own broker-dealer and worked at Salomon Brothers and Lazard Freres.