Lewis has a broad practice with a particular focus on criminal, regulatory and public law matters.
He has been recognised by his clients and peers in Doyle’s Guide as a Leading White Collar and Regulatory Investigations – Junior Counsel (in 2024 and 2025).
As a barrister, Lewis has acted for and against individuals and corporates in relation to allegations of fraud, bribery & corruption, breaches of occupational health & safety laws and disciplinary matters. He routinely appears in criminal and related matters and has appeared (led) in trials in Victoria and elsewhere in Australia.
Lewis also maintains a strong advice practice. He has conducted internal investigations on behalf of companies and regulatory bodies on matters such as large-scale frauds committed by employees and complaints made about the conduct of integrity bodies such as IBAC and the Victorian Ombudsman.
Before the Bar, Lewis worked for over 10 years in various government roles and in private practice. This included the Disputes & Investigations team at Allens and as a Federal Prosecutor at the Commonwealth Director of Public Prosecutions. He also worked at the Australian Government Solicitor, who were the solicitors assisting the Financial Services Royal Commission and Royal Commission into Institutional Responses to Child Sexual Abuse (where he worked exclusively on Catholic Church investigations and public hearings).
In the early stages of his career, Lewis was the Tipstaff to the (now retired) Honourable Justice Michael Pembroke AO SC in the Equity Division of the New South Wales Supreme Court. Prior to that he worked with the Office of the Co-Prosecutors at the Extraordinary Chambers in the Courts of Cambodia, as part of the United Nations Assistance to the Khmer Rouge Trials.
Lewis recognises the importance of mentoring and volunteering. He is a member of the Victorian Bar International Advocacy Training Committee and has taught advocacy workshops with his colleagues in the Solomon Islands and Papua New Guinea.
Lewis read with Karen Argiropoulos SC. His senior mentor is Albert Dinelli KC.
Liability limited by a scheme approved under Professional Standards Legislation.