Robbie was born and raised in Toronto, Ontario. In 2000 he graduated from the University of Toronto with a Bachelor of Science while studying human biology and actuarial science.
Robbie graduated from Queen’s law school in 2003. While attending Queen’s he was a research assistant in the areas of intellectual property and international trade law, and was a teaching assistant in the areas of tort and trademark law. In 2001, he studied at the East China University of Politics and Law, in Shanghai, China. He is also fluent in the Cantonese language.
Robbie was called to the Bar in 2005, and became a member of the Law Society of Upper Canada. In 2006, Robbie joined a prominent and well respected boutique criminal law firm, and is currently a partner in the firm he founded, Mass Tsang LLP. His practice includes defending individuals charged with criminal, regulatory, administrative and professional disciplinary matters across the Province of Ontario. The firm regularly litigates matters at all levels of court.