Longest current tenure

Longest current tenure in Premier League
Manager Days
Mikel Arteta (Arsenal) 2518
Unai Emery (Aston Villa) 1473
Daniel Farke (Leeds United) 1228
Régis Le Bris (Sunderland) 865
Fabian Hürzeler (Brighton and Hove Albion) 864
Frank Lampard (Coventry City) 715
David Moyes (Everton) 671
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1961
John Mousinho (Portsmouth) 1393
Nathan Jones (Charlton Athletic) 1013
Chris Davies (Birmingham City) 890
Alex Neil (Millwall) 683
Mark Robins (Stoke City) 681
Steven Schumacher (Bolton Wanderers) 652
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 2198
Richie Wellens (Leyton Orient) 1710
Johnnie Jackson (AFC Wimbledon) 1642
Grant McCann (Doncaster Rovers) 1281
Alex Revell (Stevenage) 940
Gary Bowyer (Burton Albion) 696
Neil Harris (Cambridge United) 632
Longest current tenure in League Two
Manager Days
Dean Brennan (Barnet) 1880
Paul Cook (Chesterfield) 1737
Lee Bell (Crewe Alexandra) 1470
Micky Mellon (Oldham Athletic) 1127
David Artell (Grimsby Town) 1082
Danny Cowley (Colchester United) 1044
John Doolan (Accrington Stanley) 984

  The longest managerial reign of all time in the English football league belongs to Fred Everiss, who was manager of West Bromwich Albion for over 45 years (from 1902 to 1948)