The son of former Aston Villa striker and European Cup hero Peter Withe, Jason Withe's professional career did not emulate his father's. He spent 1986 to 1990 with West Bromwich Albion before spending some time in Finland with KPV Kokkola in 1990. Returning to England, he played for Stafford Rangers, Stockport County, Crewe Alexandra, Burnley and Telford United.

After his playing career finished, he was 'Head Coach' of Thailand Premier League side BEC Tero Sasana. He led the side tothe domestic double in 1999-2000. He moved to Singapore to become Manager of Home United FC who play in the S-League where he steered them to a respectable 2nd place in 2002. Jason then moved back to Thailand as Technical Director and Head Coach of Bangkok Bank FC. In 2005 Jason became Assistant National Team Manager for the Indonesia Football Association.

Jason moved back to the UK in 2007 becoming Head of Youth for Aldershot Town FC. Jason is currently scouting for Norwich City FC and is an FA Tutor delivering FA Qualifications to budding coaches and in July 2010 became Director of Football for Southam United FC who play in the Midland Combination

Jason is one of the most qualified coaches in the world here are a list of his qualifications; Psychology for Football Level 5, Academy Managers Licence, Certificate in Applied Management, UEFA Pro Coaching Licence, Sports Physiology Diploma, FA Fitness Trainer, Exercise Physiology Diploma, FA Goalkeeping Coaching ‘A’ Licence, FA Generic Tutor Trainer, Certified Practitioner of Neuro Linguistic Programming(NLP), FA Youth Coaches Certificate, FA Goalkeeping Coaching ‘B’ Licence, FA Tutor Assessor, UEFA ‘A’ Licence, FA Advanced Coaching Licence etc