Gerald Jonnan Chan

Gerald practices criminal, regulatory, and professional liability litigation. He has a special focus on white collar defence and investigations ( e.g., securities, money laundering, and fraud cases), as well as extensive experience dealing with sexual offences. Gerald has been named one of the Top 25 Most Influential Lawyers in Canada ( Canadian Lawyer, 2019), White-Collar Crime/Enforcement Litigator of the Year ( Benchmark Litigation, 2023), Criminal Defence Lawyer of the Year, Toronto ( Best Lawyers, 2024), and Administrative & Public Law Lawyer of the Year, Toronto ( Best Lawyers, 2027).

In his white-collar and regulatory practice, Gerald has been recognized as an “absolute phenomenal lawyer” ( Chambers Canada, 2027); whose “attention to detail, experience and ability to learn is amazing” ( Chambers Canada, 2026); and as a “trusted adviser” who is “tremendous in the courtroom” ( Chambers Canada, 2025). He defends clients in cases investigated by the RCMP Integrated Market Enforcement Teams, Ontario Securities Commission (including the Joint Serious Offences Team), Competition Bureau, Financial Services Regulatory Authority, Toronto Police Service, Ontario Provincial Police, and Ministry of Labour. He has been lead defence counsel in some of the most significant white collar criminal trials, including R. v. Aceto, Litwin, Paul (CannTrust) and R. v. Petrozza and Rathore (Fortress).

Gerald has also acted as a special prosecutor, including most recently as “Presenting Counsel” in the Ontario Judicial Council proceeding against former Regional Senior Justice Paul Currie.

In addition, Gerald has conducted and responded to numerous regulatory, internal, and independent investigations. He has acted on behalf of institutions, corporations, regulators, and individuals in investigations dealing with allegations of sexual misconduct, price fixing, foreign corruption, integrity/ethics, corporate governance, and audit practices.