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Don Lassaline Retired Partner Windsor +1 519 967 3985

A business consultant in the Grant Thornton Windsor office, I’m passionate about helping small business owners develop and implement strategic measures to grow their enterprises—whether through acquisition, succession planning, financing or enhancing operational efficiencies.

By taking a hands-on approach, I’m able to really understand my clients’ challenges and goals. From there, I pull from my 40-plus years of experience to offer practical guidance aimed at helping clients reach their maximum potential. When this happens, I consider it the ultimate reward.

Throughout my career, I’ve worked at many CPA firms, including my own, which I started in 1997. From its humble beginnings of only five team members, Hyatt Lassaline LLP grew to become one of the leading firms in the Windsor-Essex market with over 35 team members. It merged with Grant Thornton LLP in 2018.

Outside of the office, I enjoy giving back to the community. I served as an active board member and chairperson for a number of community organizations and a local credit union. In my spare time, I love to experience new foods, new destinations and play an occasional round of golf.

I’m fluently bilingual (French and English) and live in Lakeshore with my wife Lisette. I’m the father of two children and a proud grandfather.