We are pleased to announce the appointment of Pierre-Olivier Ménard Dumas as Managing Partner.
Pierre-Olivier Ménard Dumas has been one of the firm’s director since April 29, 2021. This appointment follows a structured transition that began in March 2024. It marks a new chapter in the firm’s evolution, as he succeeds Sophie Martin, who has brilliantly held this position for the past five years.
“The partners are delighted to welcome Me Ménard Dumas to the firm’s leadership. His creativity, rigor and commitment to excellence are invaluable assets in guiding Stein Monast towards its future ambitions”, said Sophie Martin, outgoing managing partner.
Partner in the firm, Pierre-Olivier’s main area of practice is transport law. Recognized for his expertise, he is regularly cited by several renowned legal directories and was named “Lawyer of the Year” in 2025 in transportation law by The Best Lawyers in Canada.
“Our customers and our team are my greatest pride, and I now have the privilege of working with the board members, our General Manager and our team to ensure the sustainability and growth of our operations, while staying true to our values of excellence, collegiality, respect and commitment. Private practice is currently undergoing significant changes, and I am eager to see what we will accomplish together,” says Managing Partner Pierre-Olivier Ménard Dumas.
Passing the torch with gratitude
Sophie Martin is stepping down from the firm’s leadership to focus on her tax practice, and her clients will continue to benefit from her recognized expertise.
At the helm of Stein Monast since 2020, Sophie has successfully led the firm through critical periods, including the COVID-19 pandemic, while ensuring sustained growth.
Under her leadership, the firm has seen the number of employees and partners increase by over 18 %, in addition to recording significant growth in its revenue of nearly 47 %. Her strategic and people-oriented leadership has enabled Stein Monast to strengthen its position among the most respected firms in Quebec.
“Sophie is a mentor with inspiring leadership, an experienced administrator and a rigorous tax specialist. We are privileged to continue working with her and grateful for her steadfast commitment to the success of both our clients and our team,” says Pierre-Olivier Ménard Dumas, Managing Partner.