Derek Mondock, better known as Distance Decay (and formerly drk), is an American producer from Delaware. He began his career by releasing instrumental tracks on SoundCloud with other underground artists such as Blank Body, Falls, and Drip-133. In 2019, he became a member of Ripsquad.

He has most notably produced for Future, Trippie Redd, Lil Uzi Vert, Lil Keed, NAV, Night Lovell, BONES, ericdoa, and Corbin, among others.