Gerry Woo is an American R&B singer who gained prominence in the late 1980s. He is best known for his song "How Long," which reached number 60 on the Billboard Hot R&B/Hip-Hop Songs chart in 1987. His musical style blends smooth R&B rhythms with pop-infused melodies, demonstrating his vocal range and versatility. Despite a brief period of popularity, Woo's contributions to the R&B genre during this era reflect the evolving musical landscape of the time.