Justin is a Queen's Counsel practising predominantly in Criminal Law and OHS matters. He also appears in inquests, professional disciplinary tribunals and Royal Commissions.
In Victoria he has appeared extensively in Supreme and County Court criminal trials and bail applications. He has also appeared in the Court of Appeal on numerous occasions. He appeared on behalf of Victoria Police in the 'Lawyer X' Royal Commission.
He also practises outside of Victoria. He has appeared in the Supreme Court of Tasmania Court of Criminal Appeal in Standage v Tasmania  TASCCA 23 (2 November 2017)
He has appeared in the High Court in Diehm v Director of Public Prosecutions (Nauru)  HCA 42 (30 October 2013).
He is experienced in Confiscation Act matters both in the drafting of applications and in courtroom advocacy.
Justin has undertaken the Australian Advocacy Institute’s teacher training program, and regularly assists with the Bar Readers' course.
In November 2018 Justin was elected to Bar Council, his eleventh term since 2003. He is the Victorian Bar's representative and a director of the Law Council of Australia. He has previously served on the Bar Council Executive. He has served multiple terms on the committee of the Criminal Bar Association and has edited the CBA newsletter. He served on the working group planning and implementing the Indictable Crime Certificate.
Justin has been a leading counsel for Victoria Legal Aid's Trial Counsel Development Program since 2011.
Justin has been a member of Crockett Chambers since 2005 (www.crockett.com.au). He has been mentor to nine readers, namely Kier Dernelly, Deanna Caruso, Kelly McKay, Adrian Bates, Angela Wong, Samantha Holmes, Brett O'Sullivan, David Carolan and Joanne Poole.
Justin is on the Victoria Legal Aid Preferred Trial Counsel List. In 2019 he was ranked by Doyle's Guide to be Leading Senior Counsel in Criminal Law. https://doylesguide.com/leading-criminal-law-senior-counsel-victoria-2019/
View his Greens List profile including video of recent seminar papers Justin has presented recently on the following topics;
- Commonwealth offences;
- Baseline Sentencing and Boulton;
- Defending sex trials;
- Tactics in drug trials; and