Douglas A. McGillivray, K.C.

Colleen Abel is a corporate and commercial lawyer in our Calgary office, with a practice that primarily focuses on energy and natural resources. In addition to her energy practice, Colleen also has broad experience in providing general advice and assistance to clients across a variety of industries, including financial, consumer goods and technology, and provides support to clients and our team in relation to M&A employment matters. She has extensive experience in interpreting, preparing ...

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

Mat Wirove is an accredited mediator and reputable family lawyer, recognized for his proficiency in court. With a prior background in civil litigation, Mat's versatile legal experience equips him to tackle a broad spectrum of family law matters with skill and efficiency. A Transparent, Client-Centred Approach Mat adopts a policy of openness and honesty with his clients, keeping them thoroughly informed about their case as it progresses. He understands the unique complexities of every situatio...

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...

Greg has successfully litigated a wide variety of civil litigation matters and commercial litigation matters including energy related matters. Greg’s trial and appeal experience is extensive and he has appeared before every level of court in Alberta. Greg has also appeared before several administrative tribunals. He has been involved in the resolution of numerous disputes, using mediation, judicial dispute resolution and other ADR forums. Greg became a partner in Parlee McLaws in 1990. ...

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

John Jung is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John, 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 John is held by other top lawyers in the same geographic and legal practice area.

Marcus Archer focuses on public and private debt and equity financings, mergers and acquisitions, restructurings, reorganizations and purchases and sales of businesses and assets, acting for corporations, private equity, investment banks and creditors. He also assists clients with corporate governance, regulatory compliance, continuous disclosure and general corporate matters. Mr. Archer is a director or corporate secretary of a number of public and private corporations. Mr. Archer joined our...

Vance Langford is a Calgary-based business lawyer and Managing Partner of Langford Law. Vance has over 20 years' experience working with clients to structure businesses, complete financings and transactions and resolve disputes with support from counsel for securities, tax and litigation matters. Vance’s practice includes negotiating and documenting acquisitions, divestitures, reorganizations and other complex business transactions, particularly involving multiple jurisdictions and comp...

Carsten is a founding member and senior partner of JSS Barristers, the largest civil litigation boutique law firm in western Canada. His practice emphasizes complex and multi-party corporate and commercial litigation, commercial class actions, oil & gas litigation including royalty, environmental and CAPL issues, shareholder disputes, advising creditors and others in insolvency matters and professional negligence claims. During a leave of absence from JSS Barristers, he served as Senior L...