Heather L. Treacy, KC., ICD.D.

Christiana joined Parlee McLaws’ Calgary office as an Associate in 2014 upon the completion of her Articles with the firm, having been previously admitted to the practice of law in New York State in 2010. She is an experienced trial and appellate litigator with a practice focused on civil litigation and administrative law, specifically in the areas of energy, construction, aviation, municipal governments, and insurance. Christiana has represented clients before the Alberta Court of Just...

Gary Clarke, KC is a partner and Co-Head of the Employment & Labour Group nationally and Head of the Employment & Labour Group in Western Canada. Gary’s practice focuses on employment, labour relations, human rights and privacy law. He assists employers in both union and non-union environments with various human resources and labour relations issues including: drafting employment agreements, compensation schemes, workplace policies, restrictive covenants and non-disclosure agree...

Glenn now practices in the areas of administrative law and civil litigation, focusing on corporate, commercial and contract litigation (including corporate and securities disputes, oil and gas litigation, contract disputes, commercial landlord and tenant disputes, land disputes, employment litigation and debt collection), wills and estates litigation, Securities Act and Alberta Securities Commission proceedings, Judicial Review hearings, real estate litigation, serious personal injury, profes...

Melissa’s practice is focused on securities and capital markets, mergers and acquisitions, private equity and corporate governance. Businesses and investors rely on Melissa’s strategic advice while negotiating and executing complex transactions and navigating commercial relationships. Clients value Melissa’s extensive knowledge and experience advising on complex and multi-jurisdictional transactions, including debt and equity financings, take-over bids, plans of arrangement,...

Sherrilynn J. Kelly is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Sherrilynn 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 Sherrilynn J. is held by other top lawyers in the same geographic and legal practice area.

I am a Partner at Linmac LLP with a practice focused on tax planning, private capital structuring, and succession strategies for high-net-worth individuals, family offices, and privately held businesses. As both a tax and corporate lawyer, I work closely with clients to design integrated legal solutions that support business growth, wealth preservation, and long-term transition planning—helping them navigate every stage from formation and financing to exit and succession. Clients turn t...

Sandra's international experience, multi-lingual fluency, and nuanced understanding of dispute resolution uniquely inform her approach to family law. Trained and experienced in negotiation and mediation, Sandra believes in resolving family law disputes in a solution-focused, efficient, and non-adversarial manner. Where necessary, Sandra engages in targeted litigation and has argued successfully in the Provincial Court of Alberta, the Court of Queen's Bench, and the Court of Appeal. Sandra art...

David Bishop is a partner at Gowlings and head of Calgary's Advocacy Group. David’s practice involves all aspects of corporate/commercial litigation with an emphasis on directors' and officers' defence, product liability, professional liability disputes, shareholder disputes, class actions, large property and industrial claims, and environmental litigation. He is familiar with all aspects of dispute resolution, including private mediations, judicial dispute resolution conferences and ar...

Doak Horne is a partner in Gowlings’ Calgary office, practising in the area of intellectual property litigation and patent prosecution for over 25 years. Doak is a Registered Patent and Trademark Agent in Canada and the United States, as well as a registered professional engineer. He has been involved in preparation, filing, and prosecution of patents, trade-marks, and industrial designs before the Canadian Intellectual Property Office, and been extensively involved in licensing matters...

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...