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Michael Mazzuca


Michael Mazzuca is a founding partner of Rousseau Mazzuca LLP.

Michael has developed an extensive practice representing corporate and institutional clients and trade unions. Michael has also represented a wide range of individuals including politicians, professional athletes, senior executives, and corporate directors.

Michael handles complex litigation matters. He has represented clients at various levels of courts, boards and tribunals in Ontario.

Michael has been a commentator on various media, TV and radio outlets.

Michael has a diverse personal background. He played in the Ontario Hockey League and received a National Hockey League invitation tryout. He later attended the University of New Brunswick. He received the Lieutenant Governor of New Brunswick Silver Medal for attaining the highest GPA among his graduating class and was named university Valedictorian. Michael was the recipient of the North American Rotary Ambassadorial Scholarship where he studied law at the University of Melbourne Australia.

Michael is called to the Bar as Solicitor & Barrister in both Canada (Ontario) and Australia (New South Wales).



I work with a lot of law firms in the core. I’ve seen Rousseau Mazzuca grow from a few competent and friendly people to the diverse firm that they are now. Every addition to their team has added uniquely talented people that are both professional and friendly. Rousseau Mazzuca persistently challenges themselves to be better and it shows.

Brian Chambers

Very easy to speak with, very supportive and professional in handling my concerns. Definitely would recommend to my friends and family.


I was originally referred to Aaron Rousseau of Rousseau Mazzuca back in 2016 by a trusted friend of mine that is a lawyer in another specialty. I have been a client ever since. Throughout the years, in addition to referring friends myself, I have also been pleasantly surprised that in social gatherings, unprompted, others in other social circles have also been singing his praises as “the best”. I can completely understand why. Aaron is an exceptional lawyer who is incredibly talented in his field. His advice has always guided me in the right direction and protected me. Additionally, because legal matters can be quite emotionally draining, he has shown expertise in navigating matters requiring emotional intelligence as well. I have always felt he was well worth his hourly fees and more, and he bills with integrity.



65 Queen St W, Suite 600
M5H 2M5, Toronto, Ontario
(416) 304-9899
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