Dufferin "Duff" Harper

Stuart M. Olley is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Mining Law. Stuart M. practices law in Calgary, Alberta Best Lawyers has recognized Stuart M. Olley since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Stuart M. Olley is held by other lawyers.

Nigel established his first law firm in 1997 and has been practicing law for more than 25 years. He has appeared before all levels of Court throughout Alberta, and is familiar with all forums of Alternative Dispute Resolution. He is committed to maximizing client recovery, minimizing client exposure and realizing optimal outcomes. Nigel proudly considers himself first and foremost an advocate, and this has been his passion and a consistent theme throughout his professional career. He is also ...

Blake Hafso is a lawyer recognized by Best Lawyers in the practice area of Labour and Employment Law. Blake practices law in Calgary, Alberta Best Lawyers has recognized Blake Hafso since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Blake Hafso is held by other lawyers.

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...

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...

Tracy Hanson is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Tracy practices law in Calgary, Alberta Best Lawyers has recognized Tracy Hanson since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Tracy Hanson is held by other lawyers.

Vhari’s practice focuses on commercial litigation and arbitration, with an emphasis on professional and product liability, and wills, trust, and estate litigation. She represents engineers, architects, design professionals, directors and officers in defending errors and omissions claims, often in connection with disputes related to large infrastructure and residential projects. Vhari takes a practical, efficiency-minded approach to litigation and dispute resolution. She has experience b...

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 ...

Layne Thiessen is a Calgary lawyer with McLeod Law LLP whose practice focuses on Trusts and Estates , including estate litigation. He represents clients throughout Alberta and assists individuals and families across Canada and internationally with wills, trusts, and estate matters in Alberta. Layne Thiessen has been recognized by Best Lawyers since 2026 in the practice area of Trusts and Estates. Best Lawyers recognition is based on a peer-review survey of lawyers practising in the same geogr...

The high degree of diligence with which Iain approaches each matter is what sets him apart. He applies attention and care that often exceeds client expectations. Iain’s practice focuses on workplace compliance. He acts on behalf of employers, defending clients from prosecution relating to regulatory offences, class actions concerning working conditions, and in other employment-related matters brought before courts and administrative tribunals. In a field that demands acute attention to ...