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Mark Potsic, better known by his stage name DJ Nu-Mark (born June 10, 1971), is an American hip hop producer and DJ. He is a member of Jurassic 5, as well as the owner of Hot Plate Records. He has collaborated with and produced for a variety of artists across different genres, including J-Live, Aloe Blacc, Charles Bradley, and Bumpy Knuckles, among others.