Stacy Mallis

Lawyer & Mentor

Bachelor of Science
Master of Science (Biotechnology)
Bachelor of Laws
Australian Legal Practitioner


At Leo Cussen

Stacy is Mentor in the Practical Legal Training program and part of the family law topic team.


Before Leo Cussen

Stacy commenced his legal career in a general practice law firm where working in both litigious and non-litigious matters before focusing on Family Law, Criminal Law, Wills & Estates. Stacy has previously worked as a Senior Lawyer with Victoria Police appearing in family violence matters and prosecuting summary criminal matters. Stacy has also previously sat as a Deputy Judicial Registrar of the Federal Circuit and Family Court of Australia. In 2019 he launched his own firm which he operates concurrently while working at Leos.



Law Council of Australia-Family Law Section
Law Institute of Victoria
Medico-Legal Society of Victoria


Achievements/Special Interests

In addition to legal practice Stacy has taken an interest in mentoring law students and graduates and continues to mentor law students through his firm’s internship program. Stacy is a strong supporter of access to justice and has served on the AED Legal Centre committee of management for three terms and continues to volunteer as lawyer when possible.