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Jeff Mass

Criminal Defence Lawyer
Managing Partner

Jeff Mass was born and raised in Montreal, Quebec. Coming from a family of judges and lawyers it was only a natural fit that his chosen profession was the practice of law.

In 2001 Jeff Mass attended the University of Ottawa and completed his Quebec Civil Law degree in 2004. He completed his Common Law degree in 2005 and was called to both the Barreau du Quebec, and the Ontario Bar in 2007.

After his call to the bar in 2007, Jeff Mass became an associate of a prominent boutique criminal law firm, where he successfully provided defence to hundreds of individuals accused of criminal offences as a trial and appeal lawyer. He is currently a partner in the firm he founded, Mass Tsang LLP.

At Mass Tsang LLP, Jeff Mass, continues to represent people charged with all types of criminal and quasi criminal offences ranging from minor offences, to the most serious offences

Jeff Mass practices Criminal law and provides a defence to individuals on a variety of matters before criminal courts in Ontario, including DUI/Impaired Driving, bail hearing, drug offences, weapon offences, theft, fraud, domestic assault, sexual assault, aggravated assault and murder.

Jeff Mass successfully defends cases at all levels of trial courts in Ontario.

Jeff Mass is a member in good standing with Toronto Lawyer’s Association and the Law Society Upper Canada.

If you have been charged with a criminal offence anywhere in Ontario and are looking for a competent Toronto Criminal Defence Lawyer, contact Jeff Mass.

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Areas our Criminal Defence Lawyers Serve

  • Toronto
  • Richmond Hill
  • Newmarket
  • Kitchener
  • Guelph
  • Mississauga
  • Brampton
  • Oshawa
  • Barrie
  • Burlington
  • Milton
  • Vaughan