Nathan White

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

Roger Smith's practice is focused on complex litigation. He has acted in a broad range of matters, including contractual and joint venture, fiduciary duties, oil and gas, corporate securities, telecommunications, electrical distribution and renewable energy. Roger has appeared in all levels of courts in Alberta. He has also acted locally and internationally as counsel in numerous arbitrations and mediations . He served on the executive committee of Macleod Dixon (one of our predecessor firms ...

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.

Marco is a skilled litigator who represents clients in a wide range of disputes. He applies his considerable experience before courts and administrative tribunals to successfully defend his clients’ best interests. Marco’s diverse practice includes commercial litigation, insurance and risk management, professional discipline, and municipal matters. He has significant experience litigating contractual disputes and negligence claims, routinely representing energy companies, engineer...

Josh Selby’s practice focuses on real estate law. Josh’s practice includes real estate transactions (acquisition and disposition), leasing, condominiums, real estate development, and real estate financing (especially development financing), and limited partnerships/joint ventures. Josh also has experience in planning law and with subdivision and development appeal boards. He has acted for developers of shopping centres, apartment buildings, industrial buildings, subdivisions, and ...

Regina Corrigan is a partner in the Calgary office of the firm, head of the office's Business Law Department and practice group leader for its Intellectual Property Law Department. Regina's practice focuses on the areas of trademarks and technology commercialization. She has significant experience with all aspects of trademark law, including, prosecution, opposition, licensing and rights transfer in Canada. Regina also holds in-depth expertise in the commercialization and development of techn...

Aaron has a diverse practice with a focus on Wills, Trusts, and Estates. He has extensive experience in estate planning, administration, and dispute resolution. His practice also includes business law and real estate law. Aaron is a recognized thought leader in the application of The Surrogate Rules and complicated court applications, which helps him generate positive, timely results for his clients. He shares his knowledge with colleagues and the public through teaching and speaking roles. C...

Melissa became a member of the Law Society of Alberta in 2004. After her articles, Melissa participated in a Canadian Bar Association internship in Tanzania. During this internship, she assisted the Legal and Human Rights Centre in Dar es Salaam with promoting awareness on various critical human rights issues. Melissa joined Carbert Waite LLP in 2006, and became a partner in 2017. Melissa practices in all areas of civil and commercial litigation. Melissa’s primary practice areas are emp...

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...

Matthew Longstaff has extensive experience advising investment banks, sovereigns, private equity houses and corporate clients in a broad range of cross‑border debt financings, including high‑yield bonds, leveraged bank finance, syndicated and bilateral bank financings, project financings, convertible and exchangeable bonds, sovereign bonds, hybrid capital issuances, consent solicitations, and securitizations, as well as advising on restructurings and in distressed debt scenarios. In addition,...