Christian worked in the film industry as a camera assistant until 2006 and then served as regional affairs director for IATSE Local 667 until 2020. Throughout that time, he devoted himself to improving the social and economic conditions of the Local's members.
He has represented IATSE on the general council of the Fédération des travailleurs du Québec (FTQ) for several years. He is a worthy spokesperson for workers in all sectors of the industry, as evidenced by his work on various boards of directors, including the Bureau de cinéma et de télévision du Québec and the Institut de l'image et du son (INIS). He led the IATSE 667 group in the negotiations on the merger agreement with AQTIS and poured all his energy into making the merger a reality. Christian is the first president of the new AQTIS, IATSE Local 514 organization.