Tristram J. "Tris" Mallett

Perry R. Mack, K.C. is a lawyer recognized by Best Lawyers in the practice areas 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. practices law in Calgary, Alberta Best Lawyers has recognized Perry R. Mack, K.C. since 2006. The Best Lawyers recognition is based on a peer-review survey...

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...

Sarah practices in all areas of tax law. She holds both her Bachelor of Laws and Bachelor of Science in Civil Engineering degrees from the University of Calgary. Today, she maintains her ties with the school as a sessional instructor. Prior to entering the legal profession, Sarah worked at a major oil and gas company in Calgary. She served as a law clerk to the Honourable Justices of the Alberta Court of Queen’s Bench and articled with a national firm prior to joining Felesky Flynn in 2...

Greg Lindsey is the Managing Partner of Linmac LLP and a trusted advisor with over 25 years of experience at the intersection of tax and estate law. Recognized in The Best Lawyers in Canada for Trusts and Estates, Greg is known for delivering integrated, tax-optimized strategies to high and ultra-high-net-worth individuals, family offices, and business owners. Greg advises on a broad range of matters, including family and private business tax planning, succession and intergenerational wealth ...

Alison Gray, KC is a lawyer recognized by Best Lawyers in the practice areas of Administrative and Public Law, Construction Law and Corporate and Commercial Litigation. Alison practices law in Calgary, Alberta Best Lawyers has recognized Alison Gray, KC since 2021. 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 Alison Gray, KC is held by other lawyers.

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...

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.

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...

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.

Lori advises both domestic and international clients on a broad range of tax matters. She has extensive experience in business structuring, corporate reorganizations, pre-sale and divestiture planning, business succession planning, executive and employee compensation, immigration/emigration, trusts, and estates. Corporate, institutional and individual clients turn to her for clear, actionable guidance on complex tax matters. Known for translating intricate tax rules into practical, tax-effici...