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]