David Mullen is an American Contemporary Christian music singer, songwriter and producer. He released his first album in 1989, and won the GMA Dove Award for New Artist of the Year in 1990. He later married fellow Christian singer Nicole C. Mullen, then recorded his last album in 1994. Since then, he has written and produced recordings for several other Christian artists, most notably his wife. David & Nicole shared the 1998 Dove Award for Song of the Year (along with Michael Ochs) for writing the song "On My Knees" for Jaci Velasquez; Nicole later included the song on her own album.