Jimmy Davies of liverpool has run Waterloo Dock for 48 years 1963- till present day
Praneet Prakash of Newzealand Manukau Auckland.
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
Ryan Giggs i think it's 22yeats he's been at Manchester United
Arsenal
It was Paulo Maldini.
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.
Joe Paterno
Alan Burton
jimmy Davies of Waterloo Dock in the Liverpool County combination amateur league is into his 48th year of running this very successful team.
Sir Alex Ferguson Arsene Wenger. That is all.
willie maley managed Celtic for 43 years from 1897 to 1940
James Francis "Jock" McHale. - He coached from 1911 until 1950.