Mathews Dinsdale Welcomes Keira Ostrosser to the Firm
Mathews Dinsdale is pleased to announce that Keira Ostrosser has joined the Firm as an Associate in our Calgary Office.
September 11, 2026
Partner announcement
Mathews Dinsdale is pleased to announce that Bonny Mak has joined the Firm as a Partner in our Toronto office.
April 16, 2025
Mathews Dinsdale is pleased to announce that Bonny Mak has joined the Firm as a Partner in our Toronto office. Practicing in labour, employment, and human rights law, Bonny advises and represents employers across various industries.
Bonny supports employers’ strategic initiatives in workforce reductions, business closures, mergers and acquisitions, policy development, and union-related matters. In addition, Bonny provides day-to-day counsel on employee management, workplace disputes, disability management, terminations, investigations, and policy development. She has also delivers workshops for HR and management teams on a variety of workplace law topics.
Bonny represents employers before workplace tribunals, arbitrators and courts. She has a demonstrated record of successfully defending employers against human rights complaints, grievances, and wrongful dismissal claims, securing dismissals and favorable settlements. Her pragmatic approach and experience have made her a key resource for employers navigating complex workplace law challenges.
Mathews Dinsdale is the only boutique labour and employment law firm in Canada with seven offices coast-to-coast, in Victoria, Vancouver, Calgary, Sarnia, Toronto, Fredericton and Halifax. Mathews Dinsdale was the first law firm in Canada, and one of the first in North America, to exclusively provide labour and employment law services to employers. For over 70 years, the Firm’s lawyers have been involved in many of the cases that have shaped and redefined workplace law in Canada. Strategic Advice. Practical Solutions and Immediate Crisis Management. Locally and Nationally.
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Mathews Dinsdale is pleased to announce that Keira Ostrosser has joined the Firm as an Associate in our Calgary Office.
September 11, 2026
Daoust Vukovich – A New Look. The Same Trusted Advisors.
September 10, 2026
Miller Thomson is pleased to welcome Shubhreen Dosanjh as Counsel in the Firm's Financial Services group. She is based in the Firm's Toronto office.
September 9, 2026