David S. Williams

Ingrid Tsui is a Partner at the firm and a member of the Corporate/Commercial Practice Group. Ingrid works as general counsel to a number of local and international businesses on a wide variety of their legal needs, from startup, to operations and growth and ultimately to sale. She also regularly advises on the implementation of corporate reorganization and restructuring. Ingrid is the leader of our Wills, Estates + Trusts Practice Group. She assists individuals in their unique estate plannin...

Doug Bourassa is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Doug, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Doug is held by other top lawyers in the same geographic and legal practice area.

Meghan Walker is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Meghan, who practices law in Burlington, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Meghan is held by other top lawyers in the same geographic and legal practice area.

Carl Trudeau is a partner in the Labour, Employment & Human Rights Group in our Montréal office. As part of his practice, Carl advises clients in the private and public sectors on labour relations, union certification, collective agreement negotiations, occupational health and safety, and termination claims. Additionally, he provides strategic advice on pay equity matters at both the provincial and federal levels. He also represents employers before administrative tribunals special...

Ms. Lynne Kassie is a Partner and Head of our Family Law Group. Her practice focuses on all aspects of matrimonial and family law, as well as in related fields of civil law, including succession and protective supervision. Ms. Kassie focuses her practice on complex litigation, and on cases involving high-net-worth issues, division of property and other financial issues related to business interests and trusts. Ms. Kassie also advises parties prior to their marriage or cohabitation and has ext...

Luigi Valente has a broad business law practice with a focus on corporate law, mergers and acquisitions, and securities law. He has acted for clients in connection with various matters, including mergers and acquisitions, corporate reorganizations, securities regulatory compliance filings and corporate governance. Luigi has represented both issuers and investment dealers in connection with private placements and public offerings of securities.

Michael is a partner at Roper Greyell, and a member of its management committee, where he provides advice to employers on employment, labour relations and human rights issues in the workplace. Known for his insight and responsiveness, Michael takes the time to walk employers through complicated issues, repercussions and proactive approaches that minimize employee disputes. Michael assists employers with drafting, maintaining, and enforcing employment contracts and workplace policies. Through ...

Steven is an experienced business and securities lawyer. He has acted on behalf of clients on significant M&A transactions, establishment of a wide range of public and private investment funds, complex corporate restructurings, securities regulatory matters, private placements, IPOs including Capital Pool Companies, and a wide variety of corporate finance transactions. Steven’s experience in mergers and acquisitions has involved acting for Canadian and international enterprises of v...

Jon Levin has an unmatched reputation for providing top-level advice. An advocate of exemplary client service, Jon has acted as lead counsel in high profile financings, takeovers and restructuring transactions. In the corporate governance area, Jon has advised special committees and has provided strategic guidance on board procedures and the implementation of governance polices in response to new legislation and developments. Jon has served as a director of a number of public and private comp...

Barbara Green is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Labour and Employment Law. Barbara, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Barbara is held by other top lawyers in the same geographic and legal practice area. Barbara Green is a Partner in the Commercial Litigation Group at Robins Appleby ...