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Biography

Eric Gauthier

Eric Gauthier is Chief Executive Officer and General Manager of TES Canada. Prior to joining TES, he was Principal and Head of Capital Markets for Power Sustainable Capital’s Energy Infrastructure fund.

Eric started his career at Power Corporation of Canada where he underwrote and executed private equity investments in the renewable and sustainability sectors. During his tenure, he participated in the build-out of over 2 GW of solar, wind, and hydroelectric projects in North America and invested close to $2Bn in companies such as Potentia Renewables, Nautilus Solar Energy, the Lumenpulse Group, the Lion Electric Company, and Eagle Creek Renewable Energy.

Sonia St-Arnaud

Sonia St-Arnaud has been working in the energy sector for over 25 years and has extensive experience in commercialization, project and infrastructure development, strategic planning and finance. Now President and CEO of EVLO Energy Storage, she started with EVLO in 2018 and has served as Chief Operating Officer and as Chief Financial Officer. Fellow of the Order of Chartered Professional Accountant (FCPA), Sonia holds a Bachelor of Business Administration from Université du Québec à Trois-Rivières. Sonia’s career began in 1993 with PricewaterhouseCoopers, to join Hydro-Québec in 1998. There she has been a Controller with the Production Division and then Director Projects Development and Strategies. She has also held positions as Treasurer and Administrator with various Production Division subsidiaries and was a member of the Plan Nord Committee.

Stéphanie Trudeau

Stéphanie Trudeau is Executive Vice President Quebec at Énergir since January 2020.  She oversees gas distribution and development activities in Québec and plays a leading role in the strategic thinking focused on establishing how Énergir can participate in the development of a more sustainable economy for its customers and for Quebec society.

Appointed Vice President in October 2012, she was given responsibility for sustainable development and public and governmental affairs, then quickly were added marketing and customer services. She was then promoted to Senior Vice-President, Regulatory, Customers and Communities in December 2016. A reorganization in June 2018 gave her new responsibilities as Senior Vice President for Customers and Operations vice-presidencies, which include sales, marketing, customer services, new construction, engineering, geomatics, network maintenance, and regional business offices. A communication expert and seasoned strategist, Stéphanie previously was Vice President, Public Affairs – Québec at Labatt Brewing Company Ltd., Director, Public Affairs at the SAQ.

Stéphanie chairs the board of Énergir, chaleur et climatisation urbaines (ECCU).  She is a member of the board of directors and outgoing president of the Fédération des chambres de commerce du Québec (FCCQ). She is a member of the Board of Directors of FitSpirit, of the Advisory Committee of the JCCM, ambassador for Carbone Scol’ERE and ambassador founder of La Ruche Montréal, a crowdfunding organization. 

In 2016, Stéphanie received the Medal of the National Assembly of Quebec.  In 2020, she received the Prix Femmes d’affaires du Québec in the “Cadre, dirigeante - entreprise privée” category presented by the RFAQ and the “Personnalité EnviroLys” award presented by the CETEQ.  In 2021, Stephanie was the recipient of the Clean50 Sustainability Award recognizing her as one of 50 leaders who have played a leading role in advancing sustainability in Canada over the past two years.

Biographies 2025