Mark Potsic, better known by his stage name DJ Nu-Mark, is a hip hop producer and DJ. He is a member of Jurassic 5. He is also an owner of Hot Plate Records. He has collaborated with J-Live, Aloe Blacc, Charles Bradley, and Bumpy Knuckles, among others.

In 2004, the Hands On mixtape was released on Sequence Records. In 2012, DJ Nu-Mark released the album titled Broken Sunlight on Hot Plate Records.