Aaron Robin Hall III (born August 10, 1964) is an American recording artist, songwriter, and record producer. Hall rose to prominence in 1988 as a member of the R&B and new jack swing group Guy, which he founded in the late '80s along with Teddy Riley and Timmy Gatling, who was later replaced by Hall's brother Damion Hall. In 1988 Guy released their debut album, which went on to sell over a million copies and was certified platinum. Hall provided lead vocals on songs like "Groove Me," "I Like," and "Piece of My Love." He currently resides in Los Angeles with the occupation as an personal dog trainer.