Jim Bentley tops the list of the longest serving managers in the EFL, with the 2018/19 campaign set to be his eighth full season in charge of Morecambe.
Gareth Ainsworth comes next; the Wycombe Wanderers' boss currently embarking on his first season in League One, where he'll come up against another five of the top 10 in Neal Ardley, Keith Hill, Darrell Clarke, John Coleman and Derek Adams.
EFL Managers Table:
1. Jim Bentley (Morecambe) - May 2011
2. Gareth Ainsworth (Wycombe Wanderers) - September 2012
3. Keith Hill (Rochdale) - January 2013
4. Darrell Clarke (Bristol Rovers) - March 2014
5. John Coleman (Accrington Stanley) - September 2014
6. Neil Harris (Millwall) - March 2015
7. Derek Adams (Plymouth Argyle) - June 2015
8. Darren Way (Yeovil Town) - December 2015
9. Nigel Clough (Burton Albion) - December 2015
10. Nathan Jones (Luton Town) - January 2016
11. Lee Johnson (Bristol City) - February 2016
12. John McGreal (Colchester United) - May 2016
13. Mark Cooper (Forest Green Rovers) - May 2016
14. Chris Wilder (Sheffield United) - May 2016
15. Danny Cowley (Lincoln City) - May 2016
16. Phil Parkinson (Bolton Wanderers) - June 2016
17. Micky Mellon (Tranmere Rovers) - October 2016
18. Paul Warne (Rotherham United) - November 2016
19. David Artell (Crewe Alexandra) - January 2017
20. Tony Mowbray (Blackburn Rovers) - February 2017
21. Mark Robins (Coventry City) - March 2017
22. Michael Flynn (Newport County) - March 2017
23. Daniel Farke (Norwich City) - May 2017
24. Paul Cook (Wigan Athletic) - May 2017
25. Kenny Jackett (Portsmouth) - June 2017
26. Alex Neil (Preston North End) - July 2017
27. Neil Aspin (Port Vale) - October 2017
28. Steve Lovell (Gillingham) - October 2017
29. Nigel Adkins (Hull City) - December 2017
30. Tony Pulis (Middlesbrough) - December 2017
31. Jos Luhukay (Sheffield Wednesday) - January 2018
32. Aitor Karanka (Nottingham Forest) - January 2018
33. Ryan Lowe (Bury) - January 2018
34. Chris Powell (Southend United) - January 2018
35. Joe Dunne (Cambridge United) - February 2018
36. Steve Evans (Peterborough United) - February 2018
37. David Flitcroft (Mansfield Town) - March 2018
38. Michael Jolley (Grimsby Town) - March 2018
39. Garry Monk (Birmingham City) - March 2018
40. Dean Keates (Walsall) - March 2018
41. Dino Maamria (Stevenage) - March 2018
42. Lee Bowyer (Charlton Athletic) - March 2018
43. Karl Robinson (Oxford United) - March 2018
44. Paul Clement (Reading) - March 2018
45. Darren Moore (West Bromwich Albion) - April 2018
46. Steve McClaren (Queens Park Rangers) - May 2018
47. Gary Rowett (Stoke City) - May 2018
48. Jack Ross (Sunderland) - May 2018
49. Frank Lampard (Derby County) - May 2018
50. Matt Taylor (Exeter City) - June 2018
51. Joey Barton (Fleetwood Town) - June 2018
52. John Sheridan (Carlisle United) - June 2018
53. Daniel Stendel (Barnsley) - June 2018
54. Paul Tisdale (Milton Keynes Dons) - June 2018
55. Graham Potter (Swansea City) - June 2018
56. Frankie Bunn (Oldham Athletic) - June 2018
57. Marcelo Bielsa (Leeds United) - June 2018
58. Grant McCann (Doncaster Rovers) - June 2018
59. Stuart McCall (Scunthorpe United) - August 2018
60. David Hopkin (Bradford City) - September 2018
61. Gabriele Cioffi (Crawley Town) - September 2018
62. Terry McPhillips (Blackpool) - September 2018
63. Michael Duff (Cheltenham Town) - September 2018
64. Keith Curle (Northampton Town) - October 2018
65. Dean Smith (Aston Villa) - October 2018
66. Thomas Frank (Brentford) - October 2018
67. Paul Lambert (Ipswich Town) - November 2018
68. Richie Wellens (Swindon Town) - November 2018
69. Vacant (Macclesfield Town)
70. Vacant (Shrewsbury Town)
71. Vacant (AFC Wimbledon)
72. Vacant (Notts County)