Thomas P. "Tom" O'Leary K.C.

Jared Kantor is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Jared, who practices law in Calgary, Alberta, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jared is held by other top lawyers in the same geographic and legal practice area.

Pragmatic in her approach to client service, Gillian is a versatile litigator with significant courtroom experience in the United States and Canada. With a diverse skillset, Gillian maintains a civil litigation practice primarily in the areas of insurance defence, commercial and condominium litigation. Gillian began her career as a lawyer in Nevada and California. There, she honed her skills working in private practice and as in-house counsel with a national insurance company. Industrious and...

Jessica A. MacDonald is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Jessica A., who practices law in Calgary, Alberta, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jessica A. is held by other top lawyers in the same geographic and legal practice area.

Michael is a partner at Carbert Waite and co-chair of the firm’s commercial litigation and condominium practice groups. Michael has represented clients in the Court of Queen’s Bench of Alberta, the Provincial Court of Alberta, and in mediations and arbitrations. He enjoys appearing in Court when necessary, but focuses on finding economic and sensible solutions for his clients and works tirelessly to pursue their rights.

Alex Kotkas is Managing Partner of the Alberta Region, with primary responsibility for leadership of the Firm’s Calgary and Tsuut’ina offices. As Regional Managing Partner, Alex manages the region's operations while developing and executing its strategic direction. His leadership focuses on cultivating a supportive environment that prioritizes exceptional client service, drives innovation, and nurtures outstanding talent. Alex is the founder and former leader of the Firm’s L...

Jason advises clients on a broad range of corporate matters, including financing, mergers and acquisitions, private equity, start-ups and corporate governance. He regularly acts for both institutional investors and corporations on complex transactions, including share and asset acquisitions, reorganizations, and financings. Jason is the Co-Leader of the Emerging Technology and Venture Capital Group for the Alberta region and has experience advising clients in the technology and innovation sec...

Renée has practiced family law exclusively since 2001. She is passionate about helping her clients find resolutions to their parenting or financial issues based on mutual respect and understanding. She is a partner at Moe Hannah LLP. Renée is a private Mediator and acts as a Dispute Resolution Officer (mediator) in the Court of Queen’s Bench of Alberta. Renée also volunteers her time with law students who are completing their bar admission through the Canadian Centr...

Brian Kapusianyk is a partner in the firm’s Calgary office, practising in the areas of insurance and commercial litigation with an emphasis in professional liability, construction law, D&O litigation, commercial insurance coverage and defence, as well as personal injury and products liability litigation. He has acted on matters in British Columbia, Alberta, Saskatchewan, Manitoba, Ontario and the Yukon Territory. He has appeared in the courts at all levels including the Federal Cour...

Lara Mason’s practice encompasses a wide range of commercial litigation matters, including commercial disputes, transnational and cross-border disputes, professional liability matters, insurance coverage disputes and class actions. Ms. Mason has appeared at all levels of court in Alberta, before the Supreme Court of Canada, and before the Alberta Utilities Commission. She has also participated in a variety of alternative dispute resolution processes.Ms. Mason joined our Calgary office a...

Mark Sawyer articled with Dunphy Best Blocksom LLP in 2003 and became a partner in 2010. Mark’s practice focuses on the business and commercial aspects of the law, as well real estate and estate planning. Mark works with many privately held businesses, advising them on their corporate, financing, contract and shareholder matters. Mark provides advice as well on the incorporation of new businesses and the sale and purchase of existing companies. He also acts for clients who are buying, s...