Dean Brennan

Barnet On 10 June 2021, Brennan joined National League side Barnet in the Head of Football role with Harry Kewell taking on the role of Head Coach.

On 20 September 2021, after Harry Kewell was dismissed as Head Coach from Barnet F.C. having lost five and drawn two of his seven games, Brennan was appointed as Caretaker Head Coach of the club. On 17 February 2022, Brennan stepped back from his role of Head of Football and became Head Coach on a permanent basis.

Barnet reached the play-offs in the 2022–23 season after finishing in fifth position, with Brennan being awarded with the National League Manager of the Month award for December and a new contract until 2026.

Brennan was named the National League Manager of the Month for April and Barnet again reached the play-offs during the 2023–24 season after finishing second. Following the conclusion of the season, Barnet stated that Brennan remained fully committed to the club after an approach from Swindon Town. His loyalty was rewarded as he led the club to the National League title in the 2024–25 season. Following his title success, he was named National League Manager of the Season.

In February 2026, Brennan received a nine-game ban from the Football Association for verbally abusing a female referee during Barnet's home defeat by Shrewsbury Town on 6 September 2025, during which he was sent off for dissent by referee Kirsty Dowle. He also received a £2,000 fine and a mandatory education course, but said he did not agree with the FA's decision.

Managerial statistics

Honours Player Grays Athletic Conference South: 2004–05 FA Trophy: 2004–05

Manager Hemel Hempstead Town Southern Football League Premier Division: 2013-14 Herts Senior Cup: 2012–13, 2014–15

Wealdstone National League South: 2019–20

Barnet National League: 2024–25 National League Manager of the Year: 2024–25