Clem Curtis wurde am 28 November 1940 in Trinidad, British West Indies geboren. Er war mit Safonova, Edena verheiratet. Er starb am 27 März 2017 in Olney, Buckinghamshire, England, UK.
He was the original lead singer of the British group The Foundations. He can be heard on their hits Baby, Now That I've Found You and Back on My Feet Again. He had a solo career in the 1970s, and appeared on the London stage in musicals.