Longest current tenure in Championship

Longest-serving managers in Championship
Manager Days
Phil Parkinson (Wrexham) 1565
Kieran McKenna (Ipswich Town) 1397
John Mousinho (Portsmouth) 997
Nathan Jones (Charlton Athletic) 617
Chris Davies (Birmingham City) 494
Paul Heckingbottom (Preston North End) 419
Frank Lampard (Coventry City) 319
Gary Rowett (Oxford United) 297
Alex Neil (Millwall) 287
Mark Robins (Stoke City) 285
John Eustace (Derby County) 242
Alan Sheehan (Swansea City) 238
Valérien Ismaël (Blackburn Rovers) 230
Will Still (Southampton) 141
Ryan Mason (West Bromwich Albion) 133
Liam Manning (Norwich City) 132
Sergej Jakirović (Hull City) 124
Gerhard Struber (Bristol City) 116
Rob Edwards (Middlesbrough) 111
Julien Stéphan (Queens Park Rangers) 110
Martí Cifuentes (Leicester City) 90
Henrik Pedersen (Sheffield Wednesday) 74
Chris Wilder (Sheffield United) 28
Javi Gracia (Watford) 5