In October 2014, he joined as project manager the society Mirion Technologies, specializing in radiation protection devices based in Lamanon.

[3] The first time that Jean-Marc Zulesi is involved in politics is to follow the campaign of Olivier Ferrand, then invested by the Socialist Party in his constituency.

[6] Jean-Marc Zulesi, who has only been a member of the House for a few weeks, is appointed to be the rapporteur of the law ratifying the orders concerning the modification of the environmental assessment rules and the reform of the procedures to ensure Information and public participation in the development of certain decisions likely to affect the environment.

[9] In his first weeks as a deputy, Jean-Marc Zulesi enters the heart of two of his campaign priorities, the rehabilitation of the Etang de Berre and the problems of transport.

For the first subject, he had the opportunity to discuss with Nicolas Hulot, who supported this project 10 years ago, and whose challenge now is to reconcile national expertise with reality on the ground.