TEAM
Sean Marek, MAcc, CPA, CA
Founding Partner​
Sean obtained his CA designation in 1998 and has been a partner since 2000. He founded M Group in 2007 and has been managing partner since.
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Sean completed CPA Canada's In-Depth Tax Course in 2012. His practice focuses on small and medium sized companies, as well as incorporated professionals.​
Brittni Marek, MBA, CPA, CA
Partner
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Brittni joined the firm in 2011 and obtained her CPA (CA) designation in 2013. She has completed CPA Canada’s In-Depth Tax Course and specializes in corporate taxation.
Mike Cohen, CPA
Manager
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Mike joined M Group in 2018 and successfully wrote the CFE to attain his CPA designation in 2019. He will complete CPA Canada's In Depth Tax Course in 2026
Sydney Weatherall, MPacc, CPA
Senior Accountant
​Sydney joined M Group in 2024 and obtained her CPA designation in 2024. She also holds her Master's of Professional Accounting from the University of Saskatchewan.
Joanne Ruiz
Office Administrator
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Josh Kleinsasser
CPA Student Staff Accountant
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Tammie Lang
Receptionist/Administrative Assistant
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Richelle Healey
Accounting Technician
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