She is the managing director of the French production company Adventure Line Productions and CEO of Banijay France, and is best known for producing the reality television series Star Academy (2001–2008), Koh-Lanta (2016–present), and Fort Boyard (2016–present), and for her role as president of the Miss France Committee (2021–2023).

[2][3] Laroche-Joubert began her career in 1988, collaborating with her stepfather Michel Thoulouze on programs aired on the Jimmy television channel until 1996.

From 1996 to 1998, Laroche-Joubert worked with Michel Denisot and Marc-Olivier Fogiel on the Canal+ programs Télés Dimanche and TV+.

[3] In 2007, she hosted Racontons-nous on Europe 1 radio and presented Ma drôle de vie on TMC.

[5] Later that year, she began producing the reality television series Koh-Lanta on TF1 and Fort Boyard on France 2.