Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3441
Mikel Arteta (Arsenal) 2172
Marco Silva (Fulham) 1615
Eddie Howe (Newcastle United) 1485
Unai Emery (Aston Villa) 1127
Andoni Iraola (Bournemouth) 897
Daniel Farke (Leeds United) 882
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1615
Kieran McKenna (Ipswich Town) 1447
John Mousinho (Portsmouth) 1047
Nathan Jones (Charlton Athletic) 667
Chris Davies (Birmingham City) 544
Paul Heckingbottom (Preston North End) 469
Frank Lampard (Coventry City) 369
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1852
Dave Challinor (Stockport County) 1491
Richie Wellens (Leyton Orient) 1364
Johnnie Jackson (AFC Wimbledon) 1296
Gary Caldwell (Exeter City) 1135
Grant McCann (Doncaster Rovers) 935
Graham Alexander (Bradford City) 757
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6039
Andy Woodman (Bromley FC) 1709
Dean Brennan (Barnet) 1534
Paul Cook (Chesterfield) 1391
Lee Bell (Crewe Alexandra) 1124
Mat Sadler (Walsall) 958
Micky Mellon (Oldham Athletic) 781

  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)