David Bennett Cohen (born August 4, 1942)[1] is an American musician best known as the original keyboardist and one of the guitar players for the late-1960s psychedelic rock and blues band Country Joe and the Fish.

[3] In 1965, soon after discovering the Beatles and turning to rock music, he dropped out of college and moved to Berkeley, California, where he met musicians including Chicken Hirsh and Jerry Garcia.

[6] After leaving Country Joe and the Fish, Cohen moved to England before returning to the United States to join the Blues Project in New York in 1971, touring with the band until mid 1972.

[7] He has played with many musicians including Janis Joplin, Luther Tucker, Mick Taylor, Tim Hardin, Jimi Hendrix,[8] Johnny Winter, Huey Lewis, Michael Bloomfield and Bob Weir.

[9] The summer of 2014 saw Cohen tour the UK with San Francisco Nights, including the other Former Members, Sam Andrew (of Big Brother and the Holding Company) and Bex Marshall (as the voice of Janis Joplin).