Charles Thomas Gillingham (born January 26, 1960)[2] is an American keyboardist and multi-instrumentalist,[3] best known for his performance on the Hammond B-3 organ, accordion, piano, and keyboards for the band Counting Crows.

[5] Gillingham studied philosophy and artificial intelligence at University of California, Berkeley.

[6] Before entering the music industry, he worked as a software engineer in the field of artificial intelligence.

[7] He was a member of Slip Stream, Clark, Kent, and the Reporters, Midnight Radio,[8] Zip Code Revue, and played keyboards on Train's 1998 debut album[9].

He was put forward in the category Academy Award for Best Original Song with his fellow songwriters Adam Duritz, Jim Bogios, David Immerglück, Matt Malley, David Bryson and Dan Vickrey.