Colin Roberts

Over the 20 years Tonii Roulston has been a member of the Calgary Bar Association, she has built her long-standing reputation as a tough criminal defence lawyer. Known for her strategic thinking, and effectiveness in the courtroom, she has represented a variety of challenging and high-profile cases. As a female lawyer, she holds an advantage in vigorously questioning female complainants on difficult details including their motivations to lie and inconsistencies in their accusations. Tonii is ...

Gary has been practicing as a lawyer for more than 20 years and is the managing partner of Kirk Montoute Dawson LLP. Gary also has extensive training as a Mediator and has participated in numerous Mediation, Arbitration and Judicial Dispute Resolution hearings. In addition to the practice areas of Wills and Estates, Mediation and Family Law, Gary is also an experienced litigator. He has appeared before all levels of Court in Alberta. Currently, Gary’s practice is focused primarily on Es...

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.

Bryan Walker is a litigator whose practice encompasses a broad range of commercial litigation matters with an emphasis on oil and gas litigation, construction law, and insurance defence. Mr. Walker also advises clients on regulatory requirements surrounding food safety. He has appeared before the Alberta Court of Queen's Bench and Tax Court of Canada. Mr. Walker is also the local chair for Norton Rose Fulbright's national Pro Bono Committee.

Shannon joined Parlee McLaws as an associate in 2003 following the completion of her articles with the firm. She has focused her practice in the area of civil litigation, with a primary emphasis on oil and gas litigation and insurance defence matters. Specifically, in the oil and gas context, Shannon has extensive experience litigating all aspects of the industry including: Lease disputes Drilling contracts Service Agreements Constructive dismissal Breach of fiduciary duties Breach of confide...

Curtis is a partner at Carbert Waite LLP, Fellow of the Chartered Institute of Arbitrators, and Co-Chair of the firm’s Commercial Litigation Practice. Curtis has extensive experience in a wide variety of commercial litigation and arbitration matters, including international arbitration and litigation, defamation, and estate litigation. His clients include multinational corporations, energy companies, construction companies, family-run businesses, and individuals. He also acts for US and...

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 ...

David Bishop is a partner at Gowlings and head of Calgary's Advocacy Group. David’s practice involves all aspects of corporate/commercial litigation with an emphasis on directors' and officers' defence, product liability, professional liability disputes, shareholder disputes, class actions, large property and industrial claims, and environmental litigation. He is familiar with all aspects of dispute resolution, including private mediations, judicial dispute resolution conferences and ar...

Gulu Punia is a leading commercial and employment litigator in Alberta, representing clients at all levels of Court in Alberta, including as lead counsel at trial before the Court of Queen's Bench. From shareholder disputes and oppression remedies, to fraud claims and claims for breach of contract, Gulu acts for clients in obtaining extraordinary remedies such as attachment orders and Anton Piller orders in cases involving fraud.

Andrew Lamb is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Energy Law and Oil and Gas Law. Andrew, 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 Andrew is held by other top lawyers in the same geographic and legal practice area.