Large Professor, born William Paul Mitchell on March 21, 1973, is an influential American hip-hop producer and rapper. He gained prominence in the 1990s as a member of the group Main Source, known for their classic track "Looking at the Front Door." His production style is characterized by its innovative sampling and intricate beats. In addition to his work with Main Source, Large Professor has produced tracks for various artists, including Nas and A Tribe Called Quest. He is recognized for his contributions to the East Coast hip-hop scene and has played a significant role in shaping the sound of hip-hop during his career.