Ashley Slater grew up in Hanford (California ) and emigrated in 1977 from Edinburgh. He joined the Regimental Band of the Royal Scots and played until 1983 in this army band trombone. He then studied at the National Center for Orchestral Studies in Greenwich ( London). He accompanied trombonist various big bands such as Loose Tubes or the Carla Bley Big Band at concerts in Europe. As of March 1999, he played in Gary Crosby's Jazz Jamaica Allstars.
In 1988 his first album with the band Microgroove. Along with Norman Cook (aka Fatboy Slim) in 1993 he launched the band Freak Power 1995 their song Turn on, Tune in, Cop Out was in the European charts. After the dissolution of the band, he worked on solo projects. In 2002 he issued his first solo album Biglounge. Followed in 2007 by the album Cellophane.
As a vocal artist, he took over in various TV series (including Jim Jam & Sunny) and films speaking roles. Southampton Solent at the University, he is now a lecturer in Urban and Electronic Music.