Longest current tenure in Championship

Longest-serving managers in Championship
Manager Days
Phil Parkinson (Wrexham) 1714
Kieran McKenna (Ipswich Town) 1546
John Mousinho (Portsmouth) 1146
Nathan Jones (Charlton Athletic) 766
Chris Davies (Birmingham City) 643
Paul Heckingbottom (Preston North End) 568
Frank Lampard (Coventry City) 468
Alex Neil (Millwall) 436
Mark Robins (Stoke City) 434
John Eustace (Derby County) 391
Sergej Jakirović (Hull City) 273
Gerhard Struber (Bristol City) 265
Julien Stéphan (Queens Park Rangers) 259
Henrik Pedersen (Sheffield Wednesday) 223
Chris Wilder (Sheffield United) 177
Tonda Eckert (Southampton) 129
Philippe Clement (Norwich City) 113
Vítor Matos (Swansea City) 107
Kim Hellberg (Middlesbrough) 104
Matt Bloomfield (Oxford United) 61
Edward Still (Watford) 30
Michael O'Neill (Blackburn Rovers) 26
Gary Rowett (Leicester City) 21
James Morrison (West Bromwich Albion) 15