Dr. Dre is a pioneering American rapper, record producer, and entrepreneur who first gained fame with the gangsta rap group N.W.A. As a producer, he was a key figure in the popularization of West Coast G-funk, a subgenre of hip hop. He founded Aftermath Entertainment and Beats Electronics, launching the careers of artists like Snoop Dogg, Eminem, and 50 Cent. His profound impact on the music industry has solidified his legacy as one of hip-hop's most influential architects.