Prolific British studio engineer, producer and songwriter based in London, active since 1974. Best known for mixing for PWL and Stock, Aitken & Waterman in 1980s, although added uncredited production at this stage. 21st century acts he has worked with include Mini Viva, Alphabeat (3), September and Basshunter, largely in a more modern version of the club-influenced pop sounds of SAW.