 He became chairman of the Professional Footballers' Association in 1962 and remained in the post until his retirement as a player in 1966.He left Orient in 1965 to coach Charlton Athletic under Bob Stokoe, from where he moved to Aston Villa in 1967.In late 1968, he joined Leicester City as assistant manager under former West Ham teammate Frank O'Farrell, taking them back to the top flight when they won the Division 2 Championship in 1970–71.