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About Sébastien

With over 27 years of experience, Sébastien stands out as a leading insolvency and commercial litigation lawyer. He brings a wealth of expertise and a results-driven approach to clients navigating complex legal challenges. His reputation for excellence is reflected in his numerous accolades  which recognize the top lawyers in the country.

On the insolvency side, Sébastien has extensive experience in insolvency litigation, debt enforcement and commercial reorganizations, including proceedings under the Companies’ Creditors Arrangement Act (CCAA) and complex receiverships. His vast knowledge in these areas makes him a trusted advisor to debtor companies, secured creditors, purchasers of distressed assets, monitors and other stakeholders affected by business insolvency issues.

In his commercial litigation practice, Sébastien excels at tackling high-stakes corporate and securities disputes, including corporate arrangements with high-profile mergers and privatization under court supervision. He advises clients in public-private partnerships and manages all facets of commercial and construction litigation, including technical arbitrations and injunction proceedings tied to multibillion-dollar infrastructure projects. His courtroom advocacy has seen him represent clients before the Superior Court of Quebec, the Court of Appeal of Quebec and the Supreme Court of Canada.

Sébastien’s years of experience and achievements underscore his deep knowledge, sharp litigation skills and strategic insights. Clients and colleagues alike also recognize his dedication, technical acumen and innovative strategies for addressing the most complex legal and commercial issues. His ability to deliver tailored, pragmatic solutions makes him a trusted partner in critical legal matters.

Select Experience
  • Acted on behalf of secured creditors in the CCAA of Groupe Sélection

  • Acted on behalf of secured creditors in the receivership matters of Groupe Huot

  • Acted on behalf of secured creditors in the receivership of Centre d’affaires Capital Helipro Inc.

  • Acted on behalf of secured creditors in the CCAA of Groupe Airmedic inc.

  • Acted on behalf of Bloom Lake General Partner Limited and various affiliates owning one of the largest iron ore mines in Canada, in the context of proceedings filed under the Companies' Creditors Arrangement Act (CCAA)

  • Acted on behalf of an alternative financing provider with respect to its CCAA filing with total indebtedness of C$113-million

  • Acted on behalf of RB Energy Inc. and Quebec Lithium Inc., mining companies operating iodine and lithium mines, with respect to proceedings filed under the CCAA

  • Acted on behalf of an asbestos mining company in proceedings pursuant to the CCAA in relation to the Canadian recognition of its U.S. restructuring proceedings

  • Acted on behalf of hotel operators with respect to their restructuring under the BIA

  • Represented a royalty company seeking the recognition of an overriding royalty in the context of insolvency proceedings involving mining companies

  • Represented various creditors and debtors in large restructuring matters

  • Represented several public companies in obtaining approval of plans of arrangement under the Canada Business Corporations Act

  • Represented financial institutions in the realization of securities

  • Represented public companies and dissenting shareholders in the context of proxy battles

Awards & Recognition

Sébastien is recognized as a leading Canadian lawyer by the following publications:

  • The Best Lawyers in Canada 2025 (Corporate and Commercial Litigation, Insolvency and Financial Restructuring Law)

  • Lexpert Special Edition: Insolvency and Restructuring 2024

  • The Canadian Legal Lexpert Directory 2024 (Insolvency & Financial Restructuring – Insolvency Litigation, Insolvency & Financial Restructuring – Financial Restructuring)

  • Benchmark Canada: The Definitive Guide to Canada's Leading Litigation Firms and Attorneys 2024 (Litigation Star – Arbitration, Commercial, Aviation, Securities)

  • IFLR1000: The Guide to the World's Leading Financial Law Firms 2024 (Restructuring and Insolvency)

  • Lexology Index: Canada – 20232024 (Restructuring & Insolvency)

Professional Activities

Sébastien is a member of the Bar of Montreal, the Quebec Bar Association, the Canadian Bar Association and the Turnaround Management Association (Montréal chapter). He is also a member of the board of directors of the Association cycliste en développement des affaires.

Education

Admitted to the Quebec Bar – 1998
LLB, Université de Montréal – 1997

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