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
Associate announcement
Goldman Sloan Nash & Haber LLP Welcomes Associate Colin Campbell
July 11, 2016
Colin graduated from the University of Western Ontario law school and was recently called to the bar.
Colin’s civil litigation practice will focus on construction law.
At GSNH Colin acts for builders, developers and sub-contractors throughout the Province of Ontario as litigation counsel. In particular, he represents builders both large and small who have legal problems and difficulties with the Tarion Warranty Corporation (formerly ONHWP).
GSNH LLP is a Toronto law firm providing advice across all major practice areas including real estate and commercial leasing, banking & financial services, insolvency & restructuring, construction, corporate / commercial, franchise, insurance, intellectual property, litigation & dispute resolution and wills & estates. Please visit us online, on Twitter at: @GSNH_Law or on LinkedIn.
View All Announcements by This Firm
Mathews Dinsdale is pleased to announce that Keira Ostrosser has joined the Firm as an Associate in our Calgary Office.
September 11, 2026
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