Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3575
Mikel Arteta (Arsenal) 2306
Marco Silva (Fulham) 1749
Eddie Howe (Newcastle United) 1619
Unai Emery (Aston Villa) 1261
Andoni Iraola (Bournemouth) 1031
Daniel Farke (Leeds United) 1016
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1749
Kieran McKenna (Ipswich Town) 1581
John Mousinho (Portsmouth) 1181
Nathan Jones (Charlton Athletic) 801
Chris Davies (Birmingham City) 678
Paul Heckingbottom (Preston North End) 603
Frank Lampard (Coventry City) 503
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1986
Dave Challinor (Stockport County) 1625
Richie Wellens (Leyton Orient) 1498
Johnnie Jackson (AFC Wimbledon) 1430
Grant McCann (Doncaster Rovers) 1069
Graham Alexander (Bradford City) 891
Michael Skubala (Lincoln City) 884
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6173
Andy Woodman (Bromley FC) 1843
Dean Brennan (Barnet) 1668
Paul Cook (Chesterfield) 1525
Lee Bell (Crewe Alexandra) 1258
Micky Mellon (Oldham Athletic) 915
David Artell (Grimsby Town) 870

  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)