Longest current tenure in Championship

Longest-serving managers in Championship
Manager Days
Phil Parkinson (Wrexham) 1588
Kieran McKenna (Ipswich Town) 1420
John Mousinho (Portsmouth) 1020
Nathan Jones (Charlton Athletic) 640
Chris Davies (Birmingham City) 517
Paul Heckingbottom (Preston North End) 442
Frank Lampard (Coventry City) 342
Gary Rowett (Oxford United) 320
Alex Neil (Millwall) 310
Mark Robins (Stoke City) 308
John Eustace (Derby County) 265
Alan Sheehan (Swansea City) 261
Valérien Ismaël (Blackburn Rovers) 253
Ryan Mason (West Bromwich Albion) 156
Liam Manning (Norwich City) 155
Sergej Jakirović (Hull City) 147
Gerhard Struber (Bristol City) 139
Rob Edwards (Middlesbrough) 134
Julien Stéphan (Queens Park Rangers) 133
Martí Cifuentes (Leicester City) 113
Henrik Pedersen (Sheffield Wednesday) 97
Chris Wilder (Sheffield United) 51
Javi Gracia (Watford) 28
Tonda Eckert (Southampton) 3