Peter Lemer is an English improvisational pianist drawing on jazz, classical and world music. He worked with the Pete Lemer Quintet, Spontaneous Music Ensemble, Annette Peacock, Harry Beckett, Gilgamesh, Baker Gurvitz Army, Seventh Wave, Harry Beckett's Joy Unlimited, Pierre Moerlen's Gong, Mike Oldfield, Miller/Baker/Lemer, Peter Lemer Trio/Quartet, and the Peter Lemer/Billy Thompson Quartet and Duo. He toured and recorded many albums with the late Phil Miller's In Cahoots, and is a long-term member of Barbara Thompson's Paraphernalia.

He is now coaching piano, improvisation, music technology as well as being actively involved in lobbying to end global hunger. He participates as Group Leader with Results UK, the premier UK citizen advocacy group to eradicate poverty globally.