Marcus Shirley


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Marcus Shirley

Marcus Shirley

Associate

Marcus Shirley is a criminal defence lawyer dedicated to providing strategic, client-focused representation. Drawing on a diverse background in criminology, finance, and advocacy, he approaches each case with diligence, practical insight, and a commitment to achieving the best possible outcome for his clients.

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Practice Areas

Experience

Marcus developed a strong foundation in criminal law through his academic and professional experiences. He earned his Bachelor of Arts in Criminology from Wilfrid Laurier University and further refined his advocacy skills through the Intensive Program in Criminal Law at Osgoode Hall Law School, which included a moot before judges of the Ontario Court of Justice.

During his articling term in Toronto, Marcus worked on a wide range of criminal matters, including sexual assault charges, drug offences, DUI offences, and cases involving complex mental health issues. He gained hands-on courtroom and client management experience, assisting on files from early-stage disclosure review through to trial and resolution.

In addition to his legal training, Marcus brings a unique perspective from his experience in the insurance and financial sectors, where he briefly founded and operated an independent life insurance brokerage and traded in Foreign Exchange markets.  

Professional Approach

Marcus is committed to providing clear, practical guidance to clients navigating the criminal justice system. He combines strong legal analysis with a grounded, real-world perspective, ensuring clients feel informed, supported, and effectively represented at every stage of their case.

Education

  • Wilfrid Laurier University (Bachelor of Arts with Honours – Criminology)
  • Osgoode Hall Law School (Juris Doctor)

Notable Experience

  • Intensive Program in Criminal Law at Osgoode Hall

Bar Admission

To contact Mr. Shirley directly, please call 416-654-7070 or email .