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.

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.