Sir Alex Ferguson, current (as of middle of 2010/11 season) manager of Manchester United FC, is the longest-serving football manager of the English league system. He has been in charge of the football club for 24 years.
Dario Gradi : 24 years at Crewe Alexandra
The longest serving manager in the English premier league is Sir Alex Ferguson. Next is Arsene Wenger. But the longest serving ENGLISH manager in the premier league is Steve Bruce, who ranks third overall. ref. http://en.wikipedia.org/wiki/List_of_English_Football_League_managers_by_date_of_appointment
willie maley managed Celtic for 43 years from 1897 to 1940
Sir Alex Ferguson, Arsene Wenger,
Sir Alex Fergusson