Theron Otis Feemster, also known by the names Ron Feemster or Neff-U, is an American record producer, multi-instrumentalist and songwriter.

Feemster was born and raised in Grover, North Carolina,[1] where his family was very active in the local non-denominational church, and several family members were musicians.

[2] After graduating high school, he studied at Berklee College of Music in Massachusetts.

[3] After two-and-a-half years at Berklee, Feemster moved to Los Angeles, where producer Big Chuck heard his rap and R&B demos.

[2] Also in 2002, he co-wrote and -produced on "Black Suits Comin' (Nod Ya Head)", which was featured in the film Men in Black II (2002).