Career
During his career he played in the Football League for Watford, Scarborough and Reading, before dropping into non-league football with Boreham Wood and Kettering Town. Sheppard played for England at schoolboy level, and also represented his country at the 1993 Fédération internationale de football association World Youth Championship. He was one of three Watford youth goalkeepers from the 1980s to play for his country.
The other two were David James and Derick Williams.