Jean-Simon Traversy is a director and co-artistic director of Duceppe alongside David Laurin. Previously, they were at the helm of the LAB87 company.

For Duceppe, Jean-Simon directed Le Terrier by David Lindsay-Abaire, Manuel de la vie sauvage, an adaptation of the novel by Jean-Philippe Baril Guérard, Manikanetish, an adaptation of the novel by Naomi Fontaine by Julie-Anne Ranger-Beauregard, and Janette by Rébecca Déraspe.

He won, alongside Virginie Brunelle, the Best Director Award for Royal, an adaptation of the novel by Jean-Philippe Baril Guérard.

With LAB87, he staged Les flâneurs célestes by Annie Baker, Constellations by Nick Payne, and Yen by Anna Jordan. Jean-Simon also directed numerous plays including Simone et le whole shebang by Eugénie Beaudry, Hamster by Marianne Dansereau, and Nos coeurs remplis d’uréthane by André Gélineau.

From 2014 to 2017, he was the artistic advisor to Claude Poissant at Théâtre Denise Pelletier.