Mark Paul Deren (born June 23, 1980), more commonly known as MADSTEEZ, is an artist and designer based in California. His visual style has attracted clients such as Nike, Inc., Target Corporation, Red Bull, Boost Mobile, Honda, Boosted, Volkswagen, MCA Records, Interscope Records, Stüssy, Evisu, Ben Sherman, Capita Snowboards, Armada Skis, Rusty, Salomon, Lemonade Magazine, Wallin Surfboards, ActivEmpire, ActionSports Group, So Sweet Records, 411VM, Palace 5ive, Rip Curl and Bl!SSS Magazine. He has held solo exhibitions in New York City, Los Angeles, and Tokyo. He has had group showings in London, Germany, Seattle, Portland, Vancouver, Calgary and Art Basel, Miami.