Thomas regularly advises and appears in public law and commercial matters. He has significant experience in disputes involving government agencies, regulators, revenue authorities and statutory corporations. His commercial practice includes class actions, corporations law, consumer law and equity.

Thomas also accepts briefs in criminal law matters and is on the Commonwealth Director of Public Prosecutions external junior counsel panel.

Before joining the Bar, Thomas was a solicitor at Herbert Smith Freehills and Clayton Utz where he worked on tax disputes, corporate regulation, representative proceedings, corporate insolvency and administrative law. Thomas was also a legal officer in the human rights section of Legal Aid NSW.

Thomas was the Associate to Justice Buchanan in the Federal Court of Australia from 2014 to 2015.

Thomas speaks fluent Chinese (Mandarin).