Born on 10 March 1962 in USA, but he moved back to Dundee, Scotland. There, he and his brother Kit formed a band in 1984 with their long-time friend Ged Grimes. The band became known as Danny Wilson, and got some fame in the mid- to late-1980s. The band broke up in 1991.

Gary Clark went on to become a member of King L. (early to mid 1990s), Transister (late 1990s), then reunited with Grimes to write and produce with other artists, the biggest name artist being Natalie Imbruglia. Most recently, Gary Clark has gone on to work with Stuart Crichton and his group Narcotic Thrust.