Managing Principal Solicitor
LLB (Hons), BCom

Current practice

Tien leads the Compliance, Enforcement & Prosecutions team of the VGSO and has expertise in the areas of regulatory prosecutions, criminal law, administrative law and professional regulation. Her practice focuses on advice, litigation and advocacy. Tien and the team provide legal services ranging from drafting regulatory frameworks, procedure manuals, precedent documents for internal use by agencies, through to advice on statutory interpretation of criminal law and procedure, rules of evidence, instituting and conducting prosecutions. She regularly appears as a solicitor advocate throughout all stages of a proceeding, at all Court venues in Victoria.

Tien and the Compliance, Enforcement & Prosecutions team also deliver and conduct specialised training packages on investigation, court processes and substantive law topics. 


Prior to joining the VGSO, Tien was senior federal prosecutor and manager at the Commonwealth Director of Public Prosecutions. In that capacity, she had carriage of many complex and significant prosecutions on behalf of the Australian Federal Police, Victoria Police, the Australian Taxation Office, the Department of Health and Human Services and the Australian Border Force. She also regularly provided advice and prosecuted matters on behalf of the Department of Agriculture, the Department of Foreign Affairs and Trade, the Civil Aviation and Safety Authority, the Department of Education Employment and Workplace Relations, the Police Integrity Commission (NSW), the Australian Pesticides and Veterinary Medicines Authority and the Australian Electoral Commission.   

Recently, Tien was in the Organised Crime and Counter-Terrorism Unit at the CDPP. In that role, she had conduct of a number of high profile terrorism prosecutions, the most noteworthy being DPP (Cth) v Besim; DPP (Cth) v MHK [2017] VSCA 158. Tien has prosecuted matters relating to drugs and precursors, the import of illegal goods, money laundering, property and dishonesty offences (identity, credit card and government benefits), child exploitation, homicides, culpable driving, sex offences and offences against the person. She has appeared as counsel at mentions, applications (bail, extensions of time, compulsory examinations), extradition hearings, summary contested hearings, pleas and appeals to the County Court and leave applications such as in DPP (Cth) v Tzimas & Ors [2015] VCC 308 and Hiseni v DPP (Cth) [2013] VSCA 301.

Tien has also instructed in a range of interesting trials and the subsequent appeals against conviction and sentence, including R v PP [2002] VSC 578; R v Su [2003] VSC 473; R v Velasquez [2004] VSCA 106; R v Huynh [2007] NSWSC 409; R v Kaliyanda [2007] NSWSC 393; R v Christos [2013] VSCA 202 and Beqiri v R; Hajko v R [2017] VSCA 112.

Prior to the CDPP, Tien worked as a senior lawyer at the offices of the Director of Public Prosecutions in NSW and Victoria. She was also seconded to the Judicial College of Victoria where she assisted in the re-write of the  Victorian Sentencing Manual.

Memberships and professional associations
  • Victorian Women Lawyers

  • Asian Australian Lawyers Association