top of page

Professional Standards Committee

The Professional Standards Advisory Committee provides advice and guidance to members on the Code of Conduct for Counsel and can offer advisory opinions when requested.


Summary of ICC Disciplinary Decisions

Anchor 1
Current members
ICCBA New 2019-Victor Tsilonis small.jpg


Dr Victor Tsilonis is a principal legal counsel in Greece and the CEO of Newlaw Law Firm. In 2020 he was Greece’s nominee for the position of judge at the International Criminal Court (evaluated as “highly qualified” by the independent advisory committee). He is the author of the book The Jurisdiction of the International Criminal Court (Springer, 2019) ISBN 978-3-030-21525-5 (Springer, 2019), which constitutes the product of over 10 years of research on the International Criminal Court (forthcoming 2nd edition, 2023). Moreover, Victor is the founder and chief executive officer of the niche Greek law firm Newlaw, and has over a 18-year track record of excellence in handling criminal cases. He is actively involved in the ICC’s fora and thus familiar with the criminal proceedings of the Court. As a member of the ICC Disciplinary Board (2018-2022), he has tried a significant number of disciplinary cases; in fact he has participated in more than 30% of all published decisions of the ICC disciplinary organs by October 2022. In 2019, he was elected Joint Vice President for Victims and Chairman of the Professional Standards Advisory Committee of the International Criminal Court Bar Association (ICCBA), while in 2021 he was re-elected as ICCBA Vice-President for victims. Finally he is a columnist, activist and co-founder/chairman of the Intellectum NGO in Greece (established in 2006), which is currently the only Greek NGO member of the Coalition of the International Criminal Court (CICC) and staunch supporter of the Project Sunflowers (collecting information concerning crimes committed during the war in Ukraine).

תמונת פרופיל.JPG

Vice Chair

A veteran lawyer with 20 years of experience, holding a Master's Degree in Public Law (LL.M.) from Tel-Aviv University (Magna Cum Laude). For several years he served as a teaching assistant for penal law, evidence law and criminal procedure in several law faculties in Israel; and published several academic articles in the field of criminal law which were cited by the Israeli Supreme Court. He also published a theoretical book (in Hebrew) titled: "Transitional Justice: The Implications of the Shin Bet Affair on Israeli Society". As a criminal defense attorney, he served as lead counsel in one of the largest criminal organization cases in Israel (the Asi Abutbul case) after the former lead defense attorney (Yoram Hachacham) was murdered in the middle of the trial [See: Criminal Case no. 1049/ 07 The State of Israel v. Yosef (Asi) Abutbul and 23 others, (published in the "Nevo" database)]. In the field of professional responsibility, he currently serves as a judge at the District Disciplinary Tribunal of the Tel-Aviv Bar Association. Before that, he served as a disciplinary prosecutor for several years and after that as a disciplinary defense attorney. He also served as arbitrator on behalf of the Ethics Committee in fee disputes; as well as representing private clients in civil litigation regarding legal malpractice and fee disputes.



Haydee Dijkstal is a UK barrister and US attorney with over a decade of experience practicing international criminal and human rights law before international tribunals including the ICC. She currently serves on the ICCBA’s Executive Council and was elected as Vice President for Victims, and previously served as Chair of the ICCBA’s Victims Committee. Her practice has included work before the ICC, ICTY, SCSL, African Commission and Court on Human and Peoples’ Rights and various UN bodies.  Haydee is currently representing victims at the ICC in the Situation in Afghanistan and Situation in Ukraine. Haydee has been a member of legal teams before the International Criminal Court since 2011 representing parties including the defence, victims and Governments.  In addition to her current instructions regarding Afghan and Ukrainian victims, her previous experiences and instructions before the ICC include the 1) legal team for the Comoros Government and victims in the Registered Vessels situation; 2) Defence team for Abdullah Al-Senussi, 3) legal team for Sudanese victims, and 4) legal team for the Kenyan Government.  In addition, she has been instructed in regards to amicus curiae  submissions in the Palestine situation and Ntaganda case, and on a number of Article 15 Communications on behalf of victims to the ICC Office of the Prosecutor.

JCM jpg.jpg


Chilean Lawyer, with 30 years of experience, Professor of Economic Criminal Law, Litigation, Cybercrimes, Data Protection and Privacy in Criminal Proceedings, and International Criminal Law in Universidad Catolica de Chile (LLM) and Universidad Catolica de Valparaiso (Chile). Lecturer and Speaker in different Congress and Doctoral and Magister Programs in Chile, Peru, Argentina, Ecuador, Spain, etc. Litigator, LLM (California Western School of Law, San Diego, USA, 2016); Specialist in Economic and Corporates Criminal Law (Universidad Castilla – La Mancha, Spain, 2011); Advanced Diploma in International Criminal Law and before the International Courts (The Syracuse Institute, Italy, 2018); Legal Advisor for Senate and Deputies Chamber in Chile. Former President of Valparaiso Bar Association (many periods), Chile. Full member of ICCBA, and Counsel before ICC – CPI (admitted in 2018), Member of AFBA, Member of Privacy Rules International.​



Rangajeeva Wimalasena has served as the Chair of the Professional Standards Advisory Committee of ICCBA, and he is also the ICCBA focal point for Asia Pacific States. He has been a judicial officer for the last twenty years in three Commonwealth jurisdictions in the Asia Pacific region. He started his career in 1999 as a Prosecutor in Sri Lanka and later joined the bench in 2003 as a Magistrate. Having served as a Magistrate as well as a District Court Judge in Sri Lanka, he joined the Fiji Judiciary in 2009. He was appointed a judge of the High Court of Fiji in 2018 and was the first judge of the Anti-corruption Division of the High Court of Fiji. In 2022 he joined the Nauru Court of Appeal as a Justice of Appeal. Apart from his judicial career, he serves as a director and board member in a number of not-for-profit organizations in Australia on a pro bono basis. He is an accredited mediator by the Singapore and Fiji Mediation Centres. His educational background includes a Master of Laws in International Human Rights, Children's and Women's Rights, and a Bachelor of Laws. He also has a Graduate Certificate in Policy and Governance from Queensland University of Technology.

bottom of page