Jon Wells was born in Wakefield, West Yorkshire, England and played for Sharlston Rovers as an amateur Rugby League player.

Jon decided to sign for the Castleford Tigers' main rivals, the Wakefield Trinity Wildcats, who had finished 11th, on a two-year contract for the 2003 and 2004 seasons.

Jon made very occasional appearance on Sky Sports from about 2010 onwards, as a guest, mainly when the London Broncos were involved.

Wells was also becoming a regular on Sky albeit in a secondary role; mainly doing brief summaries and presenting segments or holding interviews after the game ended, but on most weeks By around 2015, the main presenters of Rugby League, looked likely to be heading for retirement; Mike Stephenson was coming up to the age of 70 whilst Eddie Hemmings had been on screen for four decades.

Wells was Right Time, Right Place and on TV every week, his profile rose, and on 12 March 2018 he unexpectedly became director of rugby at the Castleford Tigers.

[citation needed] On 12 March 2018 Jon was announced as director of rugby at his hometown club Castleford Tigers and Sky Sports.