Allan Harris entered management after a successful playing career.
He represented a number of clubs, most notable Chelsea and QPR where he played in the 1967 FA Cup Final with Chelsea and was part of the QPR side that won promotion to the First Division for the first time in the club's history.
He intially entered management whilst still a player with non-leagye Hayes before he became assistant manager to Venables at Crystal Palace, QPR and FC Barcelona.
At QPR he helped guide the team to reach the FA Cup Final in 1982 and win promotion to the First Division in 1982-83. With Barcelona the club won La Liga in 1984-85 and reached the 1986 European Cup Final.
After Barcelona, Harriss took sole charge of Egyptian side Al-Ahly and led the side to the African Cup as Champions from 1993 to 1995.
He later was the coach of the Malaysian national team from December 2000 to 2004.