Longest current tenure in Championship

Longest-serving managers in Championship
Manager Days
Phil Parkinson (Wrexham) 1673
Kieran McKenna (Ipswich Town) 1505
John Mousinho (Portsmouth) 1105
Nathan Jones (Charlton Athletic) 725
Chris Davies (Birmingham City) 602
Paul Heckingbottom (Preston North End) 527
Frank Lampard (Coventry City) 427
Alex Neil (Millwall) 395
Mark Robins (Stoke City) 393
John Eustace (Derby County) 350
Valérien Ismaël (Blackburn Rovers) 338
Sergej Jakirović (Hull City) 232
Gerhard Struber (Bristol City) 224
Julien Stéphan (Queens Park Rangers) 218
Henrik Pedersen (Sheffield Wednesday) 182
Chris Wilder (Sheffield United) 136
Javi Gracia (Watford) 113
Tonda Eckert (Southampton) 88
Philippe Clement (Norwich City) 72
Vítor Matos (Swansea City) 66
Kim Hellberg (Middlesbrough) 63
Matt Bloomfield (Oxford United) 20
Eric Ramsay (West Bromwich Albion) 18
Andy King (Leicester City) 4