Erin Viala

Tanya A. Frizzell is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation. Tanya A., 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 Tanya A. is held by other top lawyers in the same geographic and legal practice area.

Brendan’s practice is focused on mergers, acquisitions and project development. Clients value Brendan for his experience acting for public and private companies on a broad range of complex transactions and commercial arrangements. Frequently acting on domestic and cross-border merger and acquisition transactions, including share and asset purchases and sales, Brendan also advises on joint ventures, partnerships, project development and commercial arrangements and corporate reorganizatio...

Tim Ryan is a partner in Gowling WLG's Calgary office. He practises actively in the area of health law, professional regulation and professional liability. Tim's practice includes class action proceedings, administrative law and the defence of medical, pharmacist and engineering malpractice cases. He also has an interest in public and private international law matters. While at Cambridge, Tim concentrated his studies in public and private international law, including studies at the Lauterpach...

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

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

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...

Sandy Vander Ziel joined Dunphy Best Blocksom LLP in 2013 and practices exclusively in family law. She is a registered collaborative lawyer, mediator and arbitrator, as well as a dispute resolution officer with the Court of King’s Bench. She has practiced in the area of family law at local and national law firms since 2002. Sandy has significant experience with a variety of methods of Alternate Dispute Resolution including Collaborative law, lawyer assisted mediation, arbitration and in...

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.

Arif is a commercial litigator based in Calgary. He has appeared at all levels of court in both Alberta and Saskatchewan, as well as at the Supreme Court of Canada. Arif has experience in international arbitration and before administrative boards, including the Sport Dispute Resolution Centre of Canada. Arif has represented large multinational corporations, product manufacturers, entrepreneurs, professional athletes, national sports organizations, franchisees and franchisors, general contract...

Shannon Hayes, KC, practices commercial litigation and arbitration and is the Leader of the Litigation & Dispute Resolution Group in the firm’s Calgary office. She has been practicing for more than 20 years in dispute resolution and has a broad range of experience on commercial and business dispute matters, working with companies in a wide range of industries, including energy, power, real estate, and technology. Shannon has appeared as counsel before all levels of court in Alberta ...