Ashley Slater is a UK-based trombone player and best known for his work with Norman Cook (aka Fatboy Slim) in the band Freak Power. He was born in Schefferville, Canada in 1961. At the age of about 6 months, Ashley and his parents moved to Hanford, California.

In 1977, he moved to Edinburgh, Scotland on his own, and there joined the regimental band of the 1st battalion the Royal Scots as a bass trombonist. He also got his first taste of minor stardom whilst standing in for the lead singer of Northern Irish R&B band Otis and the Elevators.