Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3519
Mikel Arteta (Arsenal) 2250
Marco Silva (Fulham) 1693
Eddie Howe (Newcastle United) 1563
Unai Emery (Aston Villa) 1205
Andoni Iraola (Bournemouth) 975
Daniel Farke (Leeds United) 960
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1693
Kieran McKenna (Ipswich Town) 1525
John Mousinho (Portsmouth) 1125
Nathan Jones (Charlton Athletic) 745
Chris Davies (Birmingham City) 622
Paul Heckingbottom (Preston North End) 547
Frank Lampard (Coventry City) 447
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1930
Dave Challinor (Stockport County) 1569
Richie Wellens (Leyton Orient) 1442
Johnnie Jackson (AFC Wimbledon) 1374
Grant McCann (Doncaster Rovers) 1013
Graham Alexander (Bradford City) 835
Michael Skubala (Lincoln City) 828
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6117
Andy Woodman (Bromley FC) 1787
Dean Brennan (Barnet) 1612
Paul Cook (Chesterfield) 1469
Lee Bell (Crewe Alexandra) 1202
Mat Sadler (Walsall) 1036
Micky Mellon (Oldham Athletic) 859

  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)