Gregg Diamond (1949 - March 14, 1999) was a pianist, drummer, songwriter, and producer who was active in the jazz and disco music scenes of the 1970s.

Diamond wrote the song "Hot Butterfly," which was released in 1978 under one of his group's names, Bionic Boogie, with Luther Vandross providing lead vocals. The song was later covered by David Lasley and Chaka Khan. His other popular songs included "Risky Changes" (released by Bionic Boogie in 1977), "Dance Little Dreamer" (released by Bionic Boogie in 1977), "Cream (Always Rises to the Top)" (released by Bionic Boogie in 1978), "Starcruisin'" (1978), "Fancy Dancer" (1978), and "Tiger, Tiger (Feel Good For a While)" (1979).

His biggest commercial success was as writer and producer of the single "More More More" recorded by the Andrea True Connection in 1975.

He died of gastrointestinal bleeding on March 14, 1999 at the age of 49. Add/Complete Bio