James G. "Jim" Rumball

Lindsay J. Wong is a top attorney recognized by Best Lawyers in the practice area(s) of Project Finance Law. Lindsay J., who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lindsay J. is held by other top lawyers in the same geographic and legal practice area.

Matthew Williams is a partner and practices in the firm’s Toronto office. Matthew’s practice focuses on all aspects of taxpayer representation. He has appeared before the Tax Court of Canada, the Federal Court of Canada, the Federal Court of Appeal, the Ontario Superior Court and the Supreme Court of Canada on a wide range of issues. Matthew has extensive experience dealing with Canada’s general anti-avoidance rule (GAAR) in both domestic and international contexts having su...

Aly provides solutions for complex private matters in the areas of Wills & Estates and Family Law, and he is particularly adept when these two distinct practice areas intersect. Whether a client experiences a death in the family, a separation from a spouse, or requires guardianship advice, Aly ensures that his clients’ interests are protected in a pragmatic and efficient manner. Aly understands the importance of prudent succession planning. Clients rely on him in the drafting of dom...

Senwung Luk is a partner at OKT. He has appeared in different levels of court and tribunals, including the Supreme Court of Canada and various courts of appeal, representing Indigenous clients fighting for their rights. He focuses on the protection of sacred spaces and cultural sites, in asserting treaty rights, in on-reserve service delivery, and in the duty to consult and accommodate Indigenous communities. He has published a number of peer-reviewed articles on the Crown's fiduciary obligat...

Edgar Hielema is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Edgar, who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Edgar is held by other top lawyers in the same geographic and legal practice area.

France M. Tenaille is a top attorney recognized by Best Lawyers in the practice area(s) of Mining Law. France M., who practices law in Toronto, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which France M. is held by other top lawyers in the same geographic and legal practice area.

Tony is a Partner and Co-Leader of the firm’s Competition, Marketing and Foreign Investment Group. As former counsel to Canada’s Commissioner of Competition (Department of Justice Canada) and having served as counsel in many of Canada’s most significant competition matters, Tony is widely recognized as one of Canada’s leading practitioners in competition law and litigation. Tony represents and counsels clients in domestic and multi-jurisdictional competition matters, i...

Martha was called to the Bar in Ontario in 1991, winning the Silver Medal and the Family Law and Advocacy Prizes. She has practised family law since her call, first in a large Bay Street firm, then at a large specialist boutique, and now with her own firm. Though Martha’s practice focuses on all aspects of family law, she has regularly advocated on behalf of same-sex couples. Martha’s work in M. v. H., Halpern, and the Same Sex Marriage Reference resulted in equal marriage and wid...

Susan Gunter, partner since 2002 at Dutton Brock LLP, holds an LLM in Civil Litigation (Osgoode), an LLB (UNB) and was called to the Ontario Bar in 1996. Susan is recognized in The Best Lawyers in Canada (Products Liability Law, Insurance Law, Personal Injury Litigation, Professional Malpractice Law and ADR) and in the Canadian Legal Lexpert Directory as Most Frequently Recommended Personal Injury - Represents Defendants . Her litigation practice in defence of domestic and international corpo...

Lindsay Scott is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Labour and Employment Law. Lindsay, who practices law in Toronto, Ontario, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lindsay is held by other top lawyers in the same geographic and legal practice area.