Longest current tenure in Championship

Longest-serving managers in Championship
Manager Days
Phil Parkinson (Wrexham) 1694
Kieran McKenna (Ipswich Town) 1526
John Mousinho (Portsmouth) 1126
Nathan Jones (Charlton Athletic) 746
Chris Davies (Birmingham City) 623
Paul Heckingbottom (Preston North End) 548
Frank Lampard (Coventry City) 448
Alex Neil (Millwall) 416
Mark Robins (Stoke City) 414
John Eustace (Derby County) 371
Sergej Jakirović (Hull City) 253
Gerhard Struber (Bristol City) 245
Julien Stéphan (Queens Park Rangers) 239
Henrik Pedersen (Sheffield Wednesday) 203
Chris Wilder (Sheffield United) 157
Tonda Eckert (Southampton) 109
Philippe Clement (Norwich City) 93
Vítor Matos (Swansea City) 87
Kim Hellberg (Middlesbrough) 84
Matt Bloomfield (Oxford United) 41
Eric Ramsay (West Bromwich Albion) 39
Andy King (Leicester City) 25
Edward Still (Watford) 10
Michael O'Neill (Blackburn Rovers) 6