[5] She has said that her primary responsibility was to take an organization "firmly and proudly" rooted in Montreal's Jewish community and make it a "multidisciplinary center, multilingual and open to the world.

[10] Coderre was successful in the mayoral contest, and Gauthier won a narrow victory in the race for councillor in the Verdun division of Champlain–L'Île-des-Sœurs.

On November 18, 2013, Coderre appointed Gauthier to his executive committee with responsibility for culture, heritage, and design, the Space for Life, and the status of women.

"[12] In December 2014, in her capacity as executive member responsible for Space for Life, Gauthier joined with representatives of Paris's National Museum of Natural History and Quebec City's Musée de la civilisation to sign a "Declaration on Biosphere Ethics," intended to cultivate "greater awareness and engagement on the part of their partners, employees and audiences with respect to geological, biological and cultural diversity.

"[13] In 2017, Gauthier led a three-day trade delegation to Los Angeles to promote Montreal's film industry.