Mathews Dinsdale Welcomes Dana V. Kiefer to the Firm
Mathews Dinsdale is pleased to announce that Dana V. Kiefer has joined our Calgary office as an Associate.
October 29, 2026
Associate announcement
We are delighted to welcome new associate lawyer Giselle Davidian to Willms & Shier Environmental Lawyers LLP.
October 8, 2015
We are delighted to welcome new associate lawyer Giselle Davidian to Willms & Shier Environmental Lawyers LLP.
Giselle assists a wide variety of clients with their environmental law and environmental litigation needs. Giselle’s practice focuses on managing environmental risks associated with contaminated land, appealing regulatory orders, defending regulatory prosecutions, obtaining regulatory approvals and transactional due diligence.
Giselle obtained her B.C.L./LL.B. from McGill University. Prior to attending law school, Giselle obtained her B.Sc. and M.Env.Sc. from the University of Toronto. Giselle completed her articles at Willms & Shier.
Willms & Shier Environmental Lawyers LLP is Canada’s recognized leading environmental law firm, delivering a full range of environmental, Indigenous and energy law services. For nearly 50 years, our clients have benefitted from our innovative, practical solutions and extensive knowledge of environmental, Indigenous, and energy and natural resource issues. With 16 highly specialized lawyers, we are the largest private sector environmental law practice in Canada. Eight of our lawyers are Environmental Law Specialists, certified by the Law Society of Ontario. Willms & Shier Environmental Lawyers has offices in Toronto, Ottawa, Calgary, and Yellowknife. Our lawyers are called to the Bar in Ontario, New Brunswick, Alberta, British Columbia, Nunavut, the Northwest Territories, and the Yukon.
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Mathews Dinsdale is pleased to announce that Dana V. Kiefer has joined our Calgary office as an Associate.
October 29, 2026
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