Later, Gresset developed an admiration for guitarists such as Wes Montgomery, George Benson, and Pat Metheny.

[1][3] Christian Escoudé became his mentor; his first performances followed in the 2000s, including at the Django Reinhardt Festival.

Gresset's self-titled debut album was released on the Dreyfus Records label in 2009, featuring violinist Costel Nitescu, rhythm guitarist Mathieu Chatelain and bassist Jeremie Arranger.

The album contained mainly interpreted jazz standards, such as Time On My Hands, Just One of Those Things, Blue Skies or Here's That Rainy Day.

In 2012, he released the duo album Entre Actes (Dreyfus Records) with Adrien Moignard, on which they covered standards like I'll Remember April and My Funny Valentine, as well as Django Reinhardt compositions, such as Belleville, and pop classics like How Deep Is Your Love.