Gem Archer is a British musician and songwriter, best known as the lead guitarist for the rock band Oasis and later for Beady Eye. He joined Oasis in 1999, contributing to their signature sound and helping the band achieve significant commercial success. In addition to his work with Oasis, Archer has collaborated with various artists and bands throughout his career. He is recognized for his distinctive guitar style and songwriting abilities, which have influenced the Britpop genre and left a lasting impact on the music scene.