Yan A. Besner

Stefan Chripounoff is a commercial litigation partner at the Montréal office of Langlois. His practice focuses on commercial litigation and on restructuring & insolvency. The current chair of the firm’s arbitration and ADR group, he acts in a significant number of large-scale files before all levels of the courts and arbitration tribunals. He also practices energy law and, over the past twenty years, he advised his clients on their natural gas purchase and sale contracts and ...

Tommy Tremblay is a partner with Langlois Lawyers in Montréal where his practice encompasses every aspect of commercial litigation but is focussed more specifically on the business governance sector (in particular, on matters related to director and officer liability), competition law, securities and white collar defence including administrative investigations and interactions with regulatory agencies on these matter. His governance experience has led him to also acquire specialized ex...

Etienne Chauvin has a rock solid reputation in construction law. Etienne Chauvin’s practice focuses on construction law. He represents general contractors, specialized contractors and consortia in litigation before all levels of court in Québec. He assists clients at every stage of their construction matters, whether before, during or after the execution of a contract. His experience also extends to construction bonds and professional and civil liability. Although he regularly re...

Michael P. Goodhue is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Michael P., who practices law in Montréal, Quebec, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael P. is held by other top lawyers in the same geographic and legal practice area.

Erik P. Masse is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation and Product Liability Law. Erik P., who practices law in Montréal, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erik P. is held by other top lawyers in the same geographic and legal practice area.

Rafal Wrzesien is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Leveraged Buyouts and Private Equity Law and Mergers and Acquisitions Law. Rafal, who practices law in Montréal, Quebec, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rafal is held by other top lawyers in the same geographic and legal practice area.

Stephen Kelly is the Canadian national chair of our business law group. He practises corporate and securities law, with particular emphasis on corporate finance and mergers and acquisitions. He regularly acts for large public companies, underwriters and investors in public offerings, including initial public offerings, bought-deal transactions and cross-border offerings as well as private placement transactions.Mr. Kelly frequently advises on public and private mergers and acquisitions both n...

François Laplante is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. François, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which François is held by other top lawyers in the same geographic and legal practice area.

Marie-Ève is a trusted advisor focusing her practice in business law, and more specifically in private mergers and acquisition and corporate finance. With over 15 years’ experience, she’s developed sharp business negotiation skills through her involvement in major transactions within various industries, including in the fields of technologies, medical technologies, entertainment, retail and venture capital. She assists business owners, financial institutions and investors o...

Doug founded IMK in 1997 with the late Colin K. Irving. In the course of his career, he has acted as lead counsel in many complex cases, participated in trials covered by the media, advised clients on delicate issues and played key roles in crisis management to avoid or settle disputes. His career and his way of intervening in cases have earned him the respect of all the courts before which he has pleaded. He has acted for the Chief Justice of Quebec and the Canadian Judicial Council and has ...