Leadership

Isabelle Marcoux

Isabelle Marcoux

c.m.

Director since 2010

Ms. Marcoux is Executive Chair of the Board of Transcontinental Inc. since 2023 and was Chair of the Board between 2012 and 2023, Canada's largest printer and a leader in school textbook publishing. Previously, she was Vice Chair of the Board from 2007 to 2012 and Vice-President, Corporate Development from 2004 to 2012. Between 1998 and 2004, she held the successive roles of Director, Legal Affairs and Assistant Corporate Secretary, and Director, Mergers and Acquisitions. Before joining Transcontinental Inc., she was a lawyer at McCarthy Tétrault LLP.

Ms. Marcoux serves as a Director of Scale AI since 2020. She is Governor Emeritus of Centraide of Greater Montréal since 2023 and was the Honorary President of the Major Donors Circle between 2021 and 2023. In addition, she serves on the Honorary Board of The Montréal Children’s Hospital Foundation since 2025, after being a Director of the Foundation's Board from 2006 to 2025, and she is also Co-Chair of the Cabinet for the Montreal Children’s Hospital Foundation’s 2019–2026 fundraising campaign. Ms. Marcoux was a Director of the Institute for the governance of private and public organizations (IGOPP) until 2024 and a member of the Advisory Board of McGill University’s Law Faculty from 2018 until 2021.

In 2016, Ms. Marcoux was awarded the Medal of the National Assembly of Québec and, in 2017, she became the first Canadian to win the Visionary Award for Strategic Leadership from the global organization Women Corporate Directors Foundation. Also in 2017, she was inducted into the Women's Executive Network (WXN) Hall of Fame. In 2019, she was appointed Member of the Order of Canada. More recently, Ms. Marcoux was named recipient of the 2024 Fellowship Award of the institute of Corporate Directors (ICD). In 2025, she received the Management Excellence Award from McGill University's Desautels Faculty of Management.

Ms. Marcoux holds a Bachelor’s degree in Political Science and Economics, and a Bachelor’s degree in Civil Law, both from McGill University. She has been a member of the Québec Bar since 1995.

Ms. Marcoux is a member of the following committee:

Governance and Sustainability Committee