Career
Born in Geraldton, Sewell joined West Australian Football League (WAFL) club East Fremantle and was centre half forward in their 1979 premiership team, with a reputation for high flying marks. When he crossed to Footscray in 1983 he was used initially as a full-back but the following season Sewell played up forward, kicking 28 goals. He was a losing Preliminary Finalist in 1985, kicking two goals in the loss to Hawthorn.
A regular Western Australian representative, Sewell played in the 1979 Perth State of Origin Carnival.
Following his retirement from football, Sewell served as the Football Manager of the Brisbane Bears.