Cory Ness is a second-generation American motorcycle designer and entrepreneur. He is the son of motorcycle customizer Arlen Ness, and father of Zach Ness. Ness, following in his father's footsteps as a motorcycle enthusiast, became well known from his appearances on the Discovery Channel show Biker Build-Off in 2004 when he went head-to-head against his father and won. Ness appeared for a second time on the show in 2005, defeating Eric Gorges.