Heather L. Treacy, KC., ICD.D.

Ryan Keays practises primarily in the area of energy and resources, but also focuses on business law and corporate and commercial law. He advises clients on a broad range of corporate and commercial matters, with a specific focus on the energy sector, both domestically and internationally. His practice has included representing clients in oil and gas asset acquisitions and divestitures, share acquisitions and divestitures, negotiation of production sharing contracts and other host government ...

John is a member of the firm’s Indigenous, Environmental, and Project Development practice groups. His practice includes advising private sector and government clients throughout Canada on Indigenous, environmental, regulatory and natural resources matters. John advises oil sands developers, conventional oil and gas companies, railways, mining companies, utilities and other resource developers on environmental regulatory matters and on Indigenous law matters, including Indigenous consul...

Scott Sangster leads the Banking & Finance group in Calgary and is a foremost banking and finance lawyer, with extensive international and domestic experience in both bilateral and syndicated transactions. He structures and advises lenders, institutional and private, in implementing a variety of debt financing transactions, including complex inter-creditor and priority arrangements. Practicing in the private equity, agribusiness, energy, real estate, logistics (including equipment and air...

Alison Gray is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Construction Law and Corporate and Commercial Litigation. Alison, who practices law in Calgary, Alberta, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alison is held by other top lawyers in the same geographic and legal practice area.

David Eeles has over 15 years’ experience representing project developers, sponsors, industrial hosts and other project participants in connection with the acquisition, development, construction, financing, operation, restructuring and disposition of energy, infrastructure and industrial projects, including renewable energy projects, power plants, cogeneration plants, heavy oil upgraders and public-private partnership projects. Mr. Eeles has acted as the lead lawyer on a number of such ...

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

Clint Suntjens is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation. Clint, who practices law in Calgary, Alberta, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Clint is held by other top lawyers in the same geographic and legal practice area.

Eleanor is a partner at Carbert Waite and chair of the Trusts and Estates group. She is a recognized wills and estates lawyer who takes a forward-thinking approach to the practice of estate law. From personal estate planning to navigating high-conflict estate disputes, Eleanor is committed to empowering her clients during the legal process. Eleanor has obtained the Trust and Estate Practitioner (TEP) designation by STEP Canada, which demonstrates her advanced understanding of the trust and es...

Janel Young is co-head of the Corporate Group in Calgary. Her practice focuses on general corporate matters, mergers and acquisitions and corporate finance and securities. She acts for private and public companies on a broad range of matters including public and private offerings of securities, initial public offerings, asset and share purchase and sale transactions, plan of arrangement transactions and corporate reorganizations. She has particular expertise advising private equity firms and ...

Lara Mason’s practice encompasses a wide range of commercial litigation matters, including commercial disputes, transnational and cross-border disputes, professional liability matters, insurance coverage disputes and class actions. Ms. Mason has appeared at all levels of court in Alberta, before the Supreme Court of Canada, and before the Alberta Utilities Commission. She has also participated in a variety of alternative dispute resolution processes.Ms. Mason joined our Calgary office a...