Tommy Leung

Jennifer Biernaskie is a litigation strategist who finds solutions. She skillfully analyzes a claim from all sides, considering both the present details and what will happen down the road. The end result is a forward-thinking strategy that shapes a successful future for her clients. Her strong track record for resolving claims is based on skill, creative agreements and common sense in commercial litigation, insurance defence, and administrative law. With particular proficiency in high-complex...

John Cassell is the Canadian co-head of our cybersecurity and data privacy practice. John assists clients with all manner of privacy and cybersecurity law issues including: responding to complex local and international cybersecurity incidents, advising on risk management strategies, assisting clients with access to information requests, complying with Canada's anti-spam legislation and proceedings before the offices of the Alberta and federal privacy commissioners.

Paul is an oil and gas lawyer transaction and land lawyer with over 30 years of experience advising clients on on the drafting and negotiating of agreements for the acquisition and divestiture (A&D) of oil and gas assets and the drafting and negotiating of joint venture, partnership and joint operating agreements pertaining to the energy industry. Paul also assists clients in due diligence and title opinion preparation in A&D transactions; custom and complex freehold land and leasing ...

Tara G. Tiefenbach is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Tara G., who practices law in Calgary, Alberta, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tara G. 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.

Peter has more than 24 years of experience with personal injury claims and disability insurance claims. He helps ill and injured clients recover the disability insurance benefits owing to them because they are unable to work, and the compensation they are entitled to for the damages suffered as a result of an accident. For 20 years Peter acted as defence counsel for automobile, life, and health insurance companies before committing exclusively to advocating for the ill and injured. His keen u...

Rujuta Patel practises business law and competition law, with a focus on the resources and transportation sectors. She advises on private mergers and acquisitions, corporate reorganizations and restructurings of multinational and Canadian organizations, private placements and a variety of energy-related matters. She works regularly with energy services companies and is experienced in drafting, negotiating and advising on a broad range of services, drilling and engineering contracts. She also ...

Perry R. Mack, K.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution, Appellate Practice, Bet-the-Company Litigation, Construction Law, Corporate and Commercial Litigation, Director and Officer Liability Practice, Insurance Law, International Arbitration and Personal Injury Litigation. Perry R., who practices law in Calgary, Alberta, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting t...

Robert has extensive experience in oil and gas litigation and arbitrations, construction litigation, contract breach cases, First Nations governance, pension litigation and defamation actions, and he has represented clients in professional disciplinary matters before the Alberta Securities Commission, APEGGA, CREB and the Professional Conduct Committee of the Canadian Institute of Actuaries. He acts for a range of clients, from large corporations, pension funds and public institutions to indi...

Alan Harvie has practised energy and environmental/regulatory law since 1989 and regularly deals with commercial, operational, environmental and regulatory issues, especially for the upstream and midstream oil and gas, energy, waste disposal and chemical industries. He is a member of our energy and environmental departments. Mr. Harvie also has significant legal experience acting for the oil and gas industry in commercial transactions and regulatory matters, including enforcement proceedings,...