Mark Fisher (3 December 1959 – 12 December 2016) was a British session keyboardist. He was the first keyboard player for Wham![1] and performed on their 1985-1986 world tour.[2] He also worked with Sister Sledge,[2] and was one-half of Matt Bianco.[1][2] His father is Tony Fisher, a trumpeter who worked with Frank Sinatra, Sarah Vaughan, and Oscar Peterson,[2] and recorded with The Beatles during the Sgt. Pepper's Lonely Hearts Club Band sessions, appearing on "Strawberry Fields Forever".[1]