An English football manager and former player, Jewell began his playing career with Liverpool, continued at Wigan Athletic and concluded in a ten-year spell with Bradford City, apart from a short loan spell with Grimsby Town. When his playing career ended, he became part of the coaching staff at Bradford City.
Jewell was appointed manager in 1998 and took City to the Premier League before resigning and becoming manager of Sheffield Wednesday. He returned to Wigan Athletic to win a second promotion to the Premier League, but resigned a day after he kept them up in the 2006–07 season. He later joined Derby County on 28 November 2007, before resigning 13 months later.