Dennis Miralis is a leading Australian defence lawyer who specialises in international criminal law, with a focus on complex multi-jurisdictional investigations and criminal prosecutions. His areas of expertise include bribery and corruption, global tax investigations, proceeds of crime, anti-money laundering, worldwide freezing orders, cybercrime, national security law, Interpol Red Notices, extradition and mutual legal assistance law.
Dennis advises individuals and companies under investigation for economic crimes both locally and internationally. He has been involved in matters of interest to all major international investigative and regulatory agencies, including the DOJ, FBI, IRS, SEC, DEA, OFAC, DoD, FTC, the U.S. Secret Service, the U.S. Department of Homeland Security, U.S. State Department, and the U.K.’s SFO, MOD, and NCA. Dennis has significant experience in all matters involving investigations and prosecutions by the AFP, ASIC, ACIC, ASIO, AUSTRAC, ATO, the CDPP and all state agencies including the NSW Police State Crime Command and NSWDPP. Dennis also specialises in matters involving the New South Wales Crime Commission, Independent Commission Against Corruption and Royal Commissions.
Dennis’ international law work includes representing and advising States on matters that concern public international law including international criminal law.
Dennis has completed international criminal law and public international law studies at Hague Academy of International Law in the Netherlands, including the Winter Course and the Advanced Course on International Criminal Law.
He has also completed the specialist law programmes conducted by the Asser Institute in the Hague on International Criminal Law and Counter Terrorism.
Dennis participates in the United Nations system as an independent expert and observer in the implementation of international crime treaties including UNCAC and UNTOC.
In 2023, Dennis was invited to deliver a presentation highlighting the importance of the observance of human rights within the context of international law enforcement cooperation, and offered recommendations as to best practice, at the United Nations Constructive Dialogue on International Law Enforcement Cooperation in Vienna.
Between 2020-23 Dennis was a judge at the International Criminal Court Moot in the Hague.
Dennis was awarded a certificate of completion for the ‘Cybersecurity: The Intersection of Policy and Technology’ Program, January 2021, John F. Kennedy School of Government at Harvard University, Executive Education.
Dennis Miralis is the solicitor on the record and instructing solicitor in the following High Court of Australia cases:
Lee v New South Wales Crime Commission [2013] HCA 39
Awards and Recommendations
2026
Best Lawyers includes Dennis in the 2026 listing of the best criminal defence lawyers in Australia
2025
Best Lawyers includes Dennis in the 2025 listing of the best criminal defence lawyers in Australia
Best Lawyers is the oldest and most respected peer review publication in the
legal profession
2024
Best Lawyers includes Dennis in the 2024 listing of the best criminal defence lawyers in Australia
Lexology names Dennis as a Legal Influencer for Technology, Media, Telecoms – Australasia and Corporate – Australasia
2023
Best Lawyers includes Dennis in the 2023 listing of the best criminal defence lawyers in Australia
Lexology names Dennis as a Legal Influencer for TMT – Australasia
Doyles Legal Guide includes Dennis in the 2023 listing of recommended criminal defence lawyers in Sydney
Doyles Legal Guide includes Dennis in the 2023 listing of recommended White Collar Crime, Corporate Crime & Regulatory Investigations Lawyers in Australia
Who’s Who Legal recognises Dennis as a Global Leader in Business Crime Defence
Who’s Who Legal recognises Dennis as a National Leader in the areas of Business Crime, Investigations & Asset Recovery
2022
Best Lawyers includes Dennis in the 2022 listing of the best criminal defence lawyers in Australia
Lexology names Dennis as a Legal Influencer for Corporate – Australasia, Future of Legal Services – Australasia, and TMT – Australasia
Who’s Who Legal recognises Dennis as a National Leader in the areas of Business Crime, Investigations & Asset Recovery
Who’s Who Legal recognises Dennis as a Global Leader in Business Crime Defence
Doyles Legal Guide includes Dennis in the 2022 listing of recommended criminal defence lawyers in New South Wales
2021
Doyles Guide includes Dennis in the 2021 listing of the leading criminal defence lawyers in Sydney
Best Lawyers includes Dennis in the 2021 listing of the best criminal defence lawyers in Australia
Lexology names Dennis as a Legal Influencer for Corporate – Australasia
Who’s Who Legal includes Dennis in the 2021 listing of recommended lawyers in Australia in the areas of Business Crime, Investigations & Asset Recovery
2020
Lexology names Dennis as a Legal Influencer for TMT – Australasia
Doyles Legal Guide includes Dennis in the 2020 listing of recommended criminal defence lawyers in Sydney
Who’s Who Legal includes Dennis in the 2020 listing of recommended lawyers in Australia in the areas of Business Crime, Investigations & Asset Recovery
Best Lawyers includes Dennis in the 2020 listing of the best criminal defence lawyers in Australia
Legal Media Group’s Expert Guide includes Dennis in the 2020 listing of leading white collar crime practitioners in Australia
Corporate Intl Global Awards names Nyman Gibson Miralis International White Collar Crime Law Firm of the Year in Australia
2019
Leaders in Law name Dennis Miralis International Criminal Law Lawyer of the Year in Australia
Lexology names Dennis Miralis a Legal Influencer for Corporate – Cross-border and TMT – Cross-border
Lexology delivers a comprehensive source of international legal updates, analysis and insights, publishing articles daily from over 900 leading law firms and service providers worldwide
Dennis is named by Doyles Legal Guide in the 2019 listings of leading New South Wales Criminal Defence Lawyers and Traffic Lawyers
Doyles Legal Guide names Nyman Gibson Miralis a First Tier Criminal Defence Law Firm in New South Wales
LegalComprehensive Global Awards names Nyman Gibson Miralis Australia’s White Collar Crime Law Firm of the Year
2018
Doyles Legal Guide names Nyman Gibson Miralis a First Tier Criminal Defence Law Firm
Doyles Legal Guide names Dennis Miralis a Leading Australian Criminal Defence Lawyer
Global Law Experts name Dennis Miralis as their Exclusive International Criminal Law Expert in Australia
Global Law Experts name Nyman Gibson Miralis International White Collar Crime Law Firm of the Year in Australia
InterContinental Finance & Law names Nyman Gibson Miralis White Collar Crime Law Firm of the Year
Corporate LiveWire names Nyman Gibson Miralis White Collar Crime Law Firm of the Year
2017
Global Law Experts nominated Dennis Miralis as Exclusive Recommended White Collar Crime Expert For Australia
Doyles Legal Guide named Dennis Miralis as a leading Criminal Defence Lawyer in Sydney, New South Wales
Doyles Legal Guide named Dennis Miralis as a leading Criminal Defence Lawyer in Australia
Doyles Legal Guide named Nyman Gibson Miralis as a Leading Criminal Defence Law Firm – New South Wales
2016
Global Law Experts named Dennis Miralis as their Recommended Attorney for White Collar Criminal Defence in Australia.
Global Law Experts named Nyman Gibson Miralis as the Leading White Collar Defence Firm in Australia
Corporate LiveWire named Nyman Gibson Miralis as the Leading White Collar Defence Firm in Australia
Corporate LiveWire named Nyman Gibson Miralis as the Leading Criminal Defence Firm in Australia
Doyles Legal Guide named Dennis Miralis as a Leading Criminal Defence Lawyer
Doyles Legal Guide named Nyman Gibson Miralis as a Leading Criminal Defence Law Firm in New South Wales
Publications
Chambers Global Practice Guide to Anti-Corruption – Australia: Trends & Developments chapter (2025)
GIR Practitioner’s Guide to Global Investigations – Exclusive co-author of Australian chapter (2025)
Chambers Global Practice Guide to Anti-Corruption – Australia: Trends & Developments chapter (2024)
Chambers Global Practice Guide to Cybersecurity – Australia chapter (2025, 2023, 2022, 2021)
Chambers Global Practice Guide to Sanctions – Exclusive co-author of Australia Law and Practice and Trends and Developments chapters (2024)
Corporate war crimes and other liabilities: An introduction to the ways corporations may be liable for war crimes in Australia – co-authored with Australian Red Cross (2023)
Fraud & White Collar Crime Expert Guide – Australia contribution (2023, 2021, 2020, 2019, 2018, 2017)
GIR Asia-Pacific Investigations Review – Australia chapter (2025, 2024, 2023, 2022, 2021, 2020, 2019)
GIR Cyber Investigations Guide – Exclusive co-author of Australia chapter (2023)
GIR Know How: Anti-money Laundering – Australia chapter (2022)
GIR Know How: Extradition – Australia chapter (2021, 2023, 2024)
Global Legal Insights to Cartels – Australia chapter (2022, 2021, 2020, 2019)
Global Legal Insights to Bribery & Corruption – Asia-Pacific chapter (2024, 2023, 2022, 2021, 2020)
International Comparative Legal Guide to Anti-Money Laundering – Asia-Pacific chapter (2025, 2024, 2023, 2022, 2021, 2019) 
International Comparative Legal Guide to Anti-Money Laundering – Australia chapter (2025, 2024)
International Comparative Legal Guide to Business Crime – Australia chapter (2024, 2023, 2022)
International Comparative Legal Guide to Cartels & Leniency – Australia chapter (2020)
International Comparative Legal Guide to Corporate Investigations – Asia-Pacific chapter (2024, 2022, 2021, 2020)
International Comparative Legal Guide to Cybersecurity – Australia chapter (2025, 2024, 2023, 2022, 2021, 2020, 2019)
International Comparative Legal Guide to Data Protection – Australia chapter (2024, 2021, 2019)
International Comparative Legal Guide to Sanctions – Australia chapter (2025, 2024, 2023)
LexisNexis Internet Law Bulletin – Cybercrime: An Australian overview (2022)
Lexology Getting The Deal Through: Anti-Corruption – Australia chapter (2023, 2022, 2021, 2020)
Lexology Getting The Deal Through: Government Investigations – Australia chapter (2022, 2023, 2024)
Lexology In-Depth: Anti-Money Laundering – Australia chapter (2024)
Lexology In-Depth: International Investigations – Australia chapter (2024, 2023, 2021, 2019, 2018)
The Legal 500 Country Comparative Guide to Bribery & Corruption – Australia chapter (2023, 2024, 2025)
The Legal 500 Country Comparative Guide to White Collar Crime – Australia chapter (2024, 2023)
Thomson Reuters Practical Law – Financial Crime in Australia (2021)
Thomson Reuters Practical Law – Business Crime and Investigations in Australia (2021)
Virtual Round Table: Fraud & White Collar Crime – Asia-Pacific contribution (2021, 2020, 2019, 2018)
Corporate LiveWire Handbook article – Anti-money Laundering in the APAC region (2019)
Lawyer Monthly articles – Corruption (2019), Encryption Laws (2019), Foreign Bribery (2019), International Criminal Law (2018), Bribery (2018), Regulating Bitcoin Exchanges (2018)
Dennis is a Lexology author.
Certificates
2025: Certificate of Participation as an Evaluator in the IBA ICC Moot Court Competition 2025 – Grotius Centre for International Legal Studies
2024: Certificate of Completion – eLearning course on Instruments and Processes for UNTOC Review – United Nations Office on Drugs and Crime (UNODC)
2024: Certificate of Participation as an Evaluator in the IBA ICC Moot Court Competition 2024 – Grotius Centre for International Legal Studies
2023: Certificate of Completion – War, Law and Business: A Module on International Humanitarian Law for Future Business Leaders – Australian Red Cross-RMIT University online course
2023: Certificate of Participation as an Evaluator in the IBA ICC Moot Court Competition 2023 – Grotius Centre for International Legal Studies
2023: Certificate of Teaching – Managing Challenges in BSA/AML Reform 2023 and Beyond Live Webcast – The Knowledge Group
2022: Certificate of Participation as an Evaluator in the IBA ICC Moot Court Competition 2022 – Grotius Centre for International Legal Studies
2022: Certificate of Teaching – BSA/AML Emerging Trends: Best Compliance Practices for Your Firm Live Webcast – The Knowledge Group
2021: Certificate of Completion – SE4U11 (Group A): Stakeholder Engagement in the Implementation of the Review Mechanism of the UNTOC – United Nations Office on Drugs and Crime (UNODC)
2021: Certificate of Completion – SE4U Workshop: “Stakeholder Engagement in the Implementation of the Review Mechanism of the UN Convention against Transnational Organized Crime: Self-Assessment Questionnaire” – United Nations Office on Drugs and Crime (UNODC)
2021: Certificate of Completion – Corporate Internal Investigation – International Anti-Corruption Academy (IACA)
2020: Certificate of teaching – Anti-Money Laundering Due Diligence and Compliance in the 2020 Landscape – The Knowledge Group
2019: What is Corruption: Anti-Corruption and Compliance Certificate – University of Pennsylvania
2019: Certificate of completion on Advanced Anti-Corruption: Prevention of Corruption – issued by the United Nations Office on Drugs and Crime
2019: Certificate in Anti Bribery and Corruption – Association of Certified Anti-Money Laundering Specialists (ACAMS)
2019: Certificate of completion – “Understanding Transnational Organised Crime” – issued by the United Nations Office on Drugs and Crime
2018: Certificate in Sanctions Compliance – Association of Certified Anti-Money Laundering Specialists (ACAMS)
2018: The Open University – Certificate of Achievement – Introduction to Cyber Security
2018: Certificate in “The Fight Against Corruption” – awarded by the United Nations Office on Drugs and Crime
2018: Certificate in “Cross Border Cases and Human Rights” – awarded by Fair Trials
2017: Corruption Prevention Network Annual Forum
2017: Certificate in Cyber-enabled Crime – Association of Certified Anti-Money Laundering Specialists (ACAMS)
2017: Certificate in (Anti Money Laundering) Foundations – Association of Certified Anti-Money Laundering Specialists (ACAMS)
2017: Certificate in Counter-Terrorist Financing – Association of Certified Anti-Money Laundering Specialists (ACAMS)
2017: Awarded Certificate of Attendance from the The Hague Academy of International Law – Advanced Course on International Law and Economic Crime (with a focus on corporate crime, money laundering, bribery and corporate compliance)
Short Courses
2021: Awarded a certificate of completion for the ‘Cybersecurity: The Intersection of Policy and Technology’ Program, January 2021, John F. Kennedy School of Government at Harvard University, Executive Education.
2020: 14th Annual Summer Law Program: International Criminal Law and International Legal & Comparative Approaches to Counter-Terrorism – Asser Institute
2020: Winter Course on International Law – The Hague Academy of International Law
2019: Transnational Serious Organised Crime and National Security – National Security College, Australian National University
2018: IT Masters Short Course – Cyber Law: Applying law to emerging cyber dangers – Charles Sturt University
Attendance at national and international conferences
2024: Cambridge Forum on Investigations & Enforcement in Asia-Pacific – Singapore – Dennis, as part of the Steering Committee of the Forum, led a session on criminal enforcement and investigations trends in APAC focussed on sanctions.
2024: The 8th Global Conference on Criminal Finances and Cryptocurrencies (#8CrC) took place on 11–12 September. Co-organised by Europol and the Basel Institute on Governance and hosted by UNODC at its headquarters in Vienna, Austria.
2024: The International Criminal Police Organization (INTERPOL) at 100 – Improving the Organization’s Legal Framework Lyon, France / Online, 12 April 2024
2024: Dennis participated as an observer in the 12th Conference of the Parties to the United Nations Convention Against Transnational Organized Crime (UNTOC), held in Vienna.
2024: The Legal 500 GC Summit – Sydney – Dennis delivered a presentation on Bribery & Corruption and the trends facing companies in Australia
2024: Prestel and Partner Family Office Forum – Singapore – Dennis delivered a talk focussed on Regulatory and Criminal Law enforcement Risks for Family Offices.
2023: Cambridge Forum on Investigations & Enforcement in Asia-Pacific – Singapore – Dennis, as part of the Steering Committee of the Forum, led a session on criminal enforcement and investigations trends in APAC.
2023: United Nations Constructive Dialogue on International Law Enforcement Cooperation – Vienna – Dennis delivered a presentation highlighting the importance of the observance of human rights within the context of international law enforcement cooperation and offered recommendations as to best practice
2023: Transparency International Australia National Integrity Summit – Melbourne – participated in the panel discussion “Tranche 2: Risks, Opportunities, Benefits” on Day 1 and gave a key note speech on recent anti-bribery and corruption legal developments on Day 2
2023: Red Cross Corporate War Crimes – delivered talk on corporate war crimes under Australian law at launch of joint NGM and Red Cross publication – Sydney
2023: Tax and Crime Panel – Law Council of Australia National Taxation Workshop – Melbourne
2022: Commonwealth Secretariat Conference on Addressing Cybercrime in Asia – Singapore – delivered the presentation ‘When does Cybercrime become a national security threat?’ to an international audience
2022: First Constructive dialogue on the UNTOC – Vienna
2022: 13th session of the UNCAC Implementation Group – Vienna
2021: 14th United Nations Congress on Crime Prevention and Criminal Justice – Kyoto
2021: Conference of the Parties to the UNTOC – Vienna
2021: First United Nations General Assembly Special Session against corruption – New York
2021: 9th session of the Conference of the State Parties to the UNCAC – Sharm El-Sheikh
2021: Council of Europe Octopus Conference – Cooperation against Cybercrime
2019: Transparency International’s AGM – Sydney
Keynote Speaker: “Doing business in corruption prone countries” – focussing on enforcement activity in the APAC region
2019: Steering Committee for Cambridge Forum on Investigations and Enforcement in APAC – Singapore
2019: 32nd LAWASIA Conference – Hong Kong
Speaker: “Anti-corruption and Anti-money laundering in the Asia Pacific Region: Trends in Policy, Practice and technology”
2019: ‘Tackling Corruption Together’ Biennial Conference, Transparency International – Melbourne
Panellist at ‘Tackling Money Laundering Risks in the Real Estate Sector’ and ‘Prevention, Prosecution and the Role of Whistleblowers’ sessions
2019: Cambridge Forum – specialist international criminal law forum on cross border economic crime – UK
2019: Counter Fraud Conference – London
2018: 12th National Investigations Symposium – Sydney
2018: Participated in Virtual Round Table conducted by Corporate Live Wire – Fraud & White Collar Crime
Virtual Round Table – Fraud White Collar Crime 2018 – PDF
2017: Attendance at The Hague Academy of International Law Advanced Course on International Law and Economic Crime (with a focus on corporate crime, money laundering, bribery and corporate compliance) – The Hague
2017: International Bar Association Annual Conference – Sydney
2017: Corruption Network Annual Forum – Sydney
2017: Clariden Executive Programme Anti Money Laundering and Counter Terrorism Financing – Sydney
2017: International Bar Association Transnational Crime Conference – Lisbon
2017: Australian Cyber Security Centre Conference – Canberra
2017: AML & Financial Crime Asia Summit – Singapore
2017: Financial Compliance Asia Summit – Singapore
2016: Anti-money Laundering and Proceeds of Crime: Laws and Counter Measures – Sydney
2016: 3rd Annual Financial Crime Asia Summit – Singapore
2016: Australian Defence Lawyers Alliance Annual conference – Hobart
2015: Australian Defence Lawyers Alliance Annual Conference – Melbourne
2013: Criminal Law Conference – Vietnam
Memberships and Associations
| The Law Reviews Expert Panel 2018 | International Law Association – Australian Branch |
| The NSW Law Society | Transparency International |
| International Law Section of the Law Council of Australia | Association of Certified Anti-Money Laundering Specialists |
| Law Asia | International Society for the Reform of Criminal Law |
| The Australian and New Zealand Society of International Law | International Association for Cryptologic Research |
| The Legal Aid serious crime panel | Australian Institute of International Affairs |
| The Extradition Lawyers Association | United Nations Association Australia |
| The Lawyer Network | Commonwealth Lawyers Association |
| The Hellenic Australian Lawyers Association (HAL) | Cybercrime Practitioners Association |
| European Criminal Bar Association | Defence Extradition Lawyers’ Forum |
| Governance Institute of Australia | Australian Institute of Company Directors |
| The International Bar Association | International Association of Cyber & Economic Crime Professionals |
| Anti Corruption Committee | The American Bar Association (International Associate) |
| Criminal Law Committee | International Law Committee |
| Business Crime Committee | Criminal Law Committee |
Exclusive member of The Lawyer Network for White Collar Crime in Australia.
Dennis Miralis has had feature articles published in the NSW Law Society Journal, has appeared on all major television channels to discuss criminal law and his essays have been included in HSC and University reading lists.
