Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3573
Mikel Arteta (Arsenal) 2304
Marco Silva (Fulham) 1747
Eddie Howe (Newcastle United) 1617
Unai Emery (Aston Villa) 1259
Andoni Iraola (Bournemouth) 1029
Daniel Farke (Leeds United) 1014
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1747
Kieran McKenna (Ipswich Town) 1579
John Mousinho (Portsmouth) 1179
Nathan Jones (Charlton Athletic) 799
Chris Davies (Birmingham City) 676
Paul Heckingbottom (Preston North End) 601
Frank Lampard (Coventry City) 501
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1984
Dave Challinor (Stockport County) 1623
Richie Wellens (Leyton Orient) 1496
Johnnie Jackson (AFC Wimbledon) 1428
Grant McCann (Doncaster Rovers) 1067
Graham Alexander (Bradford City) 889
Michael Skubala (Lincoln City) 882
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6171
Andy Woodman (Bromley FC) 1841
Dean Brennan (Barnet) 1666
Paul Cook (Chesterfield) 1523
Lee Bell (Crewe Alexandra) 1256
Micky Mellon (Oldham Athletic) 913
David Artell (Grimsby Town) 868

  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)