Born on February 15, 1945, in Todmorden, Yorkshire, England. The saxophonist and occasional keyboardist, woodwind player, and background vocalist for the rock band Supertramp. He also served as an MC during the band's concerts, talking to and making jokes to the audience between songs.
In 1987 Helliwell played on Pink Floyd's album A Momentary Lapse of Reason; his name was misspelled as Halliwell. This was after Pink Floyd guitarist David Gilmour had played on Supertramp's album Brother Where You Bound.