Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3427
Mikel Arteta (Arsenal) 2158
Marco Silva (Fulham) 1601
Eddie Howe (Newcastle United) 1471
Unai Emery (Aston Villa) 1113
Andoni Iraola (Bournemouth) 883
Daniel Farke (Leeds United) 868
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1601
Kieran McKenna (Ipswich Town) 1433
John Mousinho (Portsmouth) 1033
Nathan Jones (Charlton Athletic) 653
Chris Davies (Birmingham City) 530
Paul Heckingbottom (Preston North End) 455
Frank Lampard (Coventry City) 355
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1838
Dave Challinor (Stockport County) 1477
Richie Wellens (Leyton Orient) 1350
Johnnie Jackson (AFC Wimbledon) 1282
Gary Caldwell (Exeter City) 1121
Grant McCann (Doncaster Rovers) 921
Graham Alexander (Bradford City) 743
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6025
Andy Woodman (Bromley FC) 1695
Dean Brennan (Barnet) 1520
Paul Cook (Chesterfield) 1377
Lee Bell (Crewe Alexandra) 1110
Mat Sadler (Walsall) 944
Micky Mellon (Oldham Athletic) 767

  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)