Matthew Kuhl

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.

Don Davies practises energy law, with a focus on the regulatory and litigation fields. Mr. Davies has represented oil and gas producers, pipeline companies and industry organizations in proceedings before the National Energy Board for more than 30 years. He has acted for both proponents and intervenors in many applications for the approval of pipeline facilities and for the determination of pipeline tolls and tariffs. His cases typically involve complex environmental, aboriginal, constitution...

Darren Hueppelsheuser’s practice concentrates on income tax law, with an emphasis on the tax aspects of financing and transaction planning for corporations and partnerships in both private and public transactions. Mr. Hueppelsheuser also advises on international tax structuring of Canadian inbound and outbound investments and the tax aspects of debt reorganizations and financial restructurings in creditor proceedings. Mr. Hueppelsheuser regularly presents on tax matters and has written ...

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...

Colleen Abel is a corporate and commercial lawyer in our Calgary office, with a practice that primarily focuses on energy and natural resources. In addition to her energy practice, Colleen also has broad experience in providing general advice and assistance to clients across a variety of industries, including financial, consumer goods and technology, and provides support to clients and our team in relation to M&A employment matters. She has extensive experience in interpreting, preparing ...

Joseph graduated law school in 2003. In 2011 he joined Carbert Waite LLP after practicing with a large regional firm practicing in insurance and commercial litigation. He became a partner of the firm in 2014. His practice focuses on employment law, commercial litigation and plaintiff’s personal injury litigation. He has appeared as counsel before all levels of Court in Alberta. In his employment law practice, Joseph represents employees and employers in all aspects of the employment rel...

S.B. Gavin Matthews is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution, Appellate Practice, Class Action Litigation, Construction Law, Corporate and Commercial Litigation, Insurance Law, Labour and Employment Law and Product Liability Law. S.B. Gavin, who practices law in Calgary, Alberta, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which S.B. Gavin is held by o...

Shannon is an innovative and high-performing litigation and regulatory lawyer with over 20 years of experience advising clients on complex commercial and regulatory matters. Her practice focuses on resolving difficult business disputes in the commercial, energy and power sectors. She has extensive experience managing large, complex litigation, regulatory and administrative matters in the electricity and oil and gas industries, where organization, accountability, effective communication and ov...

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,...

Annette Lambert represents a variety of clients, including power and energy companies, real property and commercial and industrial developers, chartered banks, institutional and private lenders, and a number of other commercial and industrial participants. Annette advises on a broad range of commercial real property matters, including financing, acquisitions and divestitures, project and infrastructure development, and industrial and commercial leasing. She consults at strategic levels on her...