[4][6] In July 2012, after rejecting an offer to renew his contract with Rennes,[4] Le Bris was appointed as the head of youth development at Lorient.
[4][6] While serving in the role, he coached several footballers who would go on to play for the first team, including Mattéo Guendouzi, Illan Meslier, Alexis Claude-Maurice and Enzo Le Fée.
[9][10] Following their relegation to the Ligue 2 at the end of the 2023–24 campaign,[11][12] Le Bris officially left the club by mutual consent on 22 June 2024.
[13][14] On 22 June 2024, it was announced that Le Bris would be appointed as the head coach of EFL Championship club Sunderland on 1 July, signing a three-year contract in the process.
[17] In 2006, he obtained a doctorate in sport physiology and biomechanics at Rennes 2 University,[4] having presented a study on accelerometer-based running as his thesis.