Valerie R. Prather K.C.

Caireen Hanert is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Corporate and Commercial Litigation. Caireen, 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 Caireen is held by other top lawyers in the same geographic and legal practice area.

Megan Stoker is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution and Corporate and Commercial Litigation. Megan, 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 Megan is held by other top lawyers in the same geographic and legal practice area.

Jeffrey Coles is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Jeffrey, who practices law in Calgary, Alberta, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Jonathan is an experienced civil and commercial litigator who advises clients on a broad range of matters, including commercial litigation proceedings, real estate disputes, estate litigation, insurance matters, and class actions. His practice crosses multiple industries, including construction, real estate, and oil and gas. With experience handling a breadth of cases, Jonathan advises on shareholder disputes, oppression remedies, professional negligence matters, complex commercial conflicts,...

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...

Krysta Ostwald earned her B.A. in 1993 and her LL.B. in 1996, both from the University of Victoria. She articled with Fraser Milner and was called to the Alberta Bar in 1997. Since then she has practiced exclusively in the area of family law. Krysta worked with the firms of Laurie Allen & Associates, Turnbull Boyes and Soby Boyden Lenz, before creating Widdowson Kachur Ostwald Menzies LLP with her partners. Krysta emphasizes resolving disputes without unnecessary conflict. She utilizes ma...

Patricia Olyslager completed her law degree at the University of Calgary and was called to the bar in 2000. Patricia completed her articles with Parlee that same year. She then moved on to another firm and rejoined Parlee in 2013, becoming a Partner in 2019. Patricia’s practice primarily focuses on litigation, specializing in insurance coverage and defence, disability, product liability, and commercial litigation. Prior to attending law school, Patricia received a degree in nursing from...

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...

Teri Treiber provides advice and representation to employers in all areas of labour and employment law. She assists employers with a variety of issues, including employment agreements, collective agreements, workplace policies, human rights, employment standards, privacy, workplace investigations, performance management, employee discipline, terminations, wrongful and constructive dismissal, grievances and arbitrations, and restrictive covenants.

Roger Smith's practice is focused on complex litigation. He has acted in a broad range of matters, including contractual and joint venture, fiduciary duties, oil and gas, corporate securities, telecommunications, electrical distribution and renewable energy. Roger has appeared in all levels of courts in Alberta. He has also acted locally and internationally as counsel in numerous arbitrations and mediations . He served on the executive committee of Macleod Dixon (one of our predecessor firms ...