Marc Massie

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.

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...

Brent focuses his practice on business and personal tax planning, leading projects for restructuring, split-ups, acquisitions, asset divestitures and financings. He represents clients in tax disputes, representing clients before the Canada Revenue Agency, Department of Justice and Department of Finance. From the Alberta Government to the Institute of Chartered Accountants, Brent has worked with a variety of government, industry and volunteer organizations to improve tax laws. For the past 30 ...

Beth Younggren is a member of Dunphy Best Blocksom LLP ’s civil litigation and dispute resolution team. She joined the firm in 2015 after articling with and then working as associate counsel at a large multi-national law firm in its civil litigation group. Beth maintains a diverse commercial litigation practice, and specializes in advising clients with respect to construction litigation, including builders’ liens, contractual disputes, especially in the oil and gas and real estate...

Erin J. Runnalls is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation, Health Care Law and Medical Negligence. Erin J., 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 Erin J. is held by other top lawyers in the same geographic and legal practice area.

Gail Black’s tax-based private client services practice focuses on trusts and estate planning and administration including Wills, substitute decision-making, various trusts, charitable planning and probate matters. As an active member of both the BC and Alberta Law Societies, she also advises on cross-provincial estate planning and administration matters. Working with US counsel, she assists clients on the tax-effective planning and administration of estates with US components including...

Dale practices in the areas of commercial, general and business aviation, banking and finance, and corporate commercial law. Dale is a leading practitioner in the aviation field, having provided legal counsel to domestic and foreign air carriers, aircraft maintenance, repair and overhaul companies, lenders/borrowers, lessors/lessees, buyers/sellers, and institutional clients in all manner of aviation transactions and in respect of the establishment and merger of commercial air services, both ...

Gavin received his Bachelor of Science degree in Biology (Zoology) from the University of Calgary. He then attended the Faculty of Law at the University of Calgary, graduating in 2001. Upon graduation, Gavin clerked at the Court of Appeal and the Court of Queen’s Bench of Alberta. Following his clerkship, Gavin completed his articles at the Calgary offices of a large national law firm, practicing in securities and regulatory matters. He was called to the Alberta Bar in 2002. Gavin joine...

Devin has a commercial and real estate practice with a focus on purchase and sale transactions, financings, corporate matters, condominium developments, and commercial and residential leasing. He also advises on a variety of development-related matters. Devin works with a broad range of clients, including business owners, lenders, borrowers, landlords, tenants, and commercial developers. His experience includes acting on major housing developments in Calgary and Fort McMurray, advising on hos...

Craig’s practice covers a wide spectrum of indirect tax, income tax, resource tax, personal tax planning, and dispute resolution. In 2010, Craig was appointed King’s Counsel. With a Bachelor of Commerce and Bachelor of Laws, he has now practiced with Felesky Flynn for more than 25 years. Craig skillfully guides clients toward practical and impactful solutions. He brings a strong grasp of law, economics and relationships, allowing him to identify the best and most practical tax out...