Executive Council

The Executive Council is mandated to manage the day-to-day operations of the association and carry out its strategic vision. An Executive Committee within the Executive Council, composed of the President, the Vice President for Defence, the Vice President for Victims, the Treasurer, and the Secretary, take a lead role in conducting the daily operations of the association. The Executive Council is assisted by the Executive Director.

Peter Haynes QC


Peter has more than 30 years’ experience in both domestic and international criminal courts. He currently acts as the Lead Counsel for Jean Pierre Bemba at the International Criminal Court and is the Lead Legal Representative of Victims at the Special Tribunal for Lebanon (in the case of the assassination by terrorist bombing of the former Prime Minister, Rafik Hariri). He is one of the very few practitioners to have led cases before the International Criminal Tribunal for the Former Yugoslavia (where he appeared for the defence of General Vinko Pandurevic in relation to the Srebrenica massacre), the International Criminal Court and the Special Tribunal for Lebanon, He has appeared in cases involving genocide, war crimes, crimes against humanity and international terrorism. He has been responsible for development of the jurisprudence, practice and procedure of the representation of victims in ICL. Domestically, he has appeared for both the prosecution and the defence inter alia in cases of murder, serious fraud, sexual offences, human trafficking and complex conspiracies. He is familiar with the hardware and software employed in cases of real complexity, including LiveNote, CaseMap, and RingTail . He has overseen the management of large multi-disciplinary legal teams, including experts in several fields. Peter also works as an independent consultant on international criminal law matters. He has advised both governments and sitting Heads of State, including, inter alia, the Dutch authorities in relation to the shooting down of MH17. He has also been appointed to an international panel of experts to monitor the implementation of mechanisms of transitional justice in Sri Lanka. He regularly lectures and speaks on the topics of the functioning of international criminal courts and victim representation.

Christopher Gosnell

Vice President for Defence


Christopher Gosnell has more than fifteen years of experience working in international criminal courts and tribunals, including at the ICTY, ICC, ICTR, MICT and Special Court for Sierra Leone. At the ICC, he is currently Associate Counsel for Bosco Ntaganda and was the Lead Counsel to one of the accused in the Bemba et al. contempt proceedings. He formerly worked in the Office of the Prosecutor of the ICTY and in Chambers at the ICTR. After starting his legal career as a law clerk at the Supreme Court of Canada, he was an associate with Simpson Thacher & Bartlett in New York. He has been a lecturer-in-law at Columbia Law School in New York, an adjunct lecturer at the Académie de droit humanitaire in Geneva, and is the co-editor of Principles of Evidence in International Criminal Justice. He is also the author of articles and book chapters, including “Damned If You Don’t: Liability for Omissions in International Criminal Law,” in The Ashgate Research Companion to International Criminal Law.

Megan Hirst

Joint Vice President for Victims


Megan Hirst is an Australian lawyer practicing at the bar of England and Wales. She has worked in victims’ participation at the ICC and STL for the past ten years. She is currently counsel for Rohingya victims in Bangladesh as well as being legal assistant on the external victims’ team in Ongwen case. She previously worked in the VPRS as well as in the STL’s Victims’ Participation Unit.  She is co-editor of the textbook Victim Participation in International Criminal Justice: Practitioners’ Guide.

Victor Tsilonis

Joint Vice President for Victims

Victor Tsilonis is a barrister, member of the Thessaloniki Bar (Greece) and ICCBA’s Focal Point for Greece.  In January 2019 he was also elected for a four-year term as the alternate member of the ICC Disciplinary Board. As a co-founder of NEWLAW (www.newlaw.gr/en), Victor rendered NEWLAW, apart from the first Greek law firm offering online legal services, the first Greek law firm capable of handling international criminal law cases. He has written and presented papers in the field of international criminal law, human rights, criminal justice, data protection and prisoners’ rights. Victor is the author of the book: The Jurisdiction of the International Criminal Court, (Springer, 2019), ISBN 978-3-030-21525-5.

Anand A. Shah



Anand Ajay Shah is an American attorney who has assisted in the representation of numerous defendants before the ICC (Darfur, Kenya and Libya Situations) and STL over the last ten years. He is presently a member of the ICC defence teams for Abdallah Banda and Saif Al-Islam Gadafi. Anand has also provided advice to governments and sub-state entities on international law issues and conflict resolution. Over the last three ICCBA terms he has served on the Amicus, Legal Advisory and Counsel Support Staff committees. He was previously a member of the ICCBA Secretariat, and is currently a member of ICCBA working groups addressing legal aid, taxation and work place harassment matters.

Victor Baiesu



Victor Baiesu served for eight years as an Associate Trial Lawyer at the Office of the Prosecutor of the ICC, where he appeared before the Chambers of the ICC and represented the Prosecution in the five cases in the Situation in Darfur, Sudan. During his time at the ICC, he also worked for both the Disciplinary Advisory Board and the Appeals Board of the ICC. Before joining the ICC in 2005, he worked as a Legal Officer at the European Court of Human Rights and then the Department for the Execution of Judgments of the European Court of Human Rights of the Council of Europe. Since 2013, he is a Legal Officer in the Chambers of the Special Tribunal for Lebanon. In addition, he contributed to updating the chapter on victim participation in the fourth and fifth editions of Archbold International. He holds a Masters degree in Comparative and European law.

Caroline Buteau

Deputy Secretary


Caroline Buteau, a Canadian lawyer specializing in international criminal law, has been working for 15 years for the defence of suspects and accused persons before International Criminal Tribunals (ICTR, ICC, STL). From 2007 to 2016, she worked for the Defence of the first accused person before the ICC. She is currently Chief of the Legal Advisory Section of the Defence Office of the STL. Ms. Buteau acted on several occasions as a trainer for the lawyers registered on the List of Counsel of the ICC. She has been involved with ICCBA since it was established. She is currently Deputy Secretary of the ICCBA, member of the Executive Council and member of the Working Group on Legal Aid and Taxation. She has been in the past Chair of the Defence Committee. She is coeditor of the Practitioner’s Handbook on Defence Investigations in International Criminal Trials.

Haydee Dijkstal

Haydee Dijkstal is a UK barrister and US attorney with nearly decade of experience practicing international criminal and human rights law before international, regional and domestic courts. Her practice has included work before the ICC, ICTY, SCSL, African Commission and Court on Human and Peoples’ Rights and UN Working Group on Arbitrary Detention. Haydee has been a member of legal teams before the International Criminal Court since 2011 representing parties including the defence, victims and Governments.  This includes the Defence team for Abdullah Al-Senussi, legal team for Sudanese victims, and legal team for the Kenyan Government.  She is currently co-counsel for victims of the Gaza Freedom Flotilla in the Registered Vessels situation and on the legal team for the Government of the Comoros. She is also on the legal team representing Palestinian victims before the ICC.

Mylène Dimitri

Ms Dimitri has more than 17 years of experience before the international courts and was among the youngest lawyers appointed Lead counsel before the ICTR. She is now Associate Counsel for Alfred Yekatom in the CAR II situation before the International Criminal Court and was also Associate Counsel for Mr. Jean-Pierre Bemba (Art. 70).​ Before the ICTR, she defended Dr. Augustin Ngirabatware, Minister of Planning. She was his Lead Counsel during Trial and Appeal proceedings. She was also Co-Counsel for Arsène Shalom Ntahobali, son of the Minister of Women Affairs, Pauline Nyiramasuhuko, at the Trial and Appeal stage.Ms Dimitri was also co-counsel to represent the interests of Mustafa Badreddine before the Special Tribunal for Lebanon until the order terminating the proceedings against him whereby she became Legal consultant for Mr. Hassan Habib Merhi. In Canada, she defended Désiré Munyaneza, who was indicted on charges relating to the Rwandan genocide in 1994. She represented him before the Quebec Superior Court, the Quebec Court of Appeal and the Supreme Court of Canada.

Rodney Dixon QC

Rodney has over 20 years of experience practicing before all international courts. He has prosecuted and defended before the ICTY, including as defence counsel for the Prime Minister of Kosovo. He has defended Abdullah Al-Senussi before the ICC, and acted on behalf of victims and amici curiae in various Situations and cases. He has represented several governments at the ICC including Kenya in the Kenya cases, the UK in the Iraq Situation and the Government of Comoros in the Situation concerning the Mavi Marmara Flotilla. He has acted for the Rwandan Government before the ICTR. He specialises in public law, extradition and human rights in the UK, and appears in cases before the European Court of Human Rights and the African Court of Human and Peoples' Rights. He is the co-author of Archbold International on the ICC procedure and practice (5th edition to be published in October 2018), and has been a Senior Research Fellow at the Department of War Studies, King's College. London.

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Paolina Massidda

Paolina Massidda is a member of the Genoa Bar (Italy) since 1994. She is specialised in human rights and international humanitarian law and she holds a master on international criminal law. In her over twenty years of experience, she practised before national and international tribunals, representing accused and victims. Since September 2005, she is the Principal Counsel of the independent Office of Public Counsel for Victims at the International Criminal Court. She is currently the common legal representative of victims in the Laurent Gbagbo and Blé Goudé case and in the Ongwen case. She also represents victims in the Lubanga, Katanga and Bemba reparations proceedings, as well as in the Gaddafi, Kony and Simone Gbagbo cases. She has published extensively on matters related to international criminal law and the rights of victims. She regularly trains and gives lectures in international criminal law. In 2017 and 2018 she has been member of the ICCBA Victims’ Committee.

Jennifer Naouri

Jennifer Naouri is Co-Counsel at the ICC for Laurent Gbagbo, who was acquitted of all charges in January 2019. As part of the Defence team, she has been involved in every aspect of the case since the beginning, whether legal and procedural developments or the daily management of the team. This experience has given her a concrete and acute understanding of the current challenges faced by Defence teams. She has endeavoured to address these challenges since the creation of the ICCBA, as a founding member and as member of the Counsel Support Staff Committee for three years, in order to ensure that the ICC provide Defence teams with adequate employment conditions. She also advocates for equal gender representation of the profession and, as a result of her training in France (Panthéon-Assas University) and the United States (Columbia University), she is particularly sensitive to the promotion of legal and cultural diversity in the workplace. She has acquired specialized expertise in international criminal law (ICL), international humanitarian law and human rights, from her years working for NGOs (e.g. GISTI, French Red Cross), political institutions (e.g. French Parliament) and through her extensive practice at international criminal tribunals (e.g. ICTY Trial Chamber on the Seselj case). More particularly, as part of the Law firm Emmanuel Altit & Associés, specialized in ICL, she participated in the representation of Hormisdas Nsengimana (acquitted by the ICTR in 2009) and victims before the ECCC. In addition, the law firm represents victims of terrorism and members of communities that have suffered massacres. She has been teaching ICL, both in English and in French, as guest lecturer (University College Roosevelt, Université de Lille II, Université Paris II, Sciences Po, etc.) and as trainer for List Counsel particularly in the context of the ICCBA.

Marie-Hélène Proulx

Marie-Hélène Proulx is a lawyer admitted to the Québec Bar since 2003. She is currently Associate Counsel for the Al Hassan Defence team before the International Criminal Court, and a member of the Defence team of Hassan Habib Merhi before the Special Tribunal for Lebanon. She has also acted as Rule 74 Legal Adviser at the ICC and Counsel for Jean de Dieu Kamuhanda before the IRMCT. She is the current Chair of the Amicus Committee of the ADC-ICT. She was previously a Legal Officer at the International Criminal Tribunal for the former Yugoslavia and at the ICC, Teaching Assistant at the University of Geneva and Legal Adviser at the ICRC Advisory Service on International Humanitarian Law at the Geneva Headquarters. She obtained a law degree from the Université de Montréal as well as a LL.M from the University Centre for International Humanitarian Law (now Geneva Academy).

Melinda Taylor

Melinda Taylor currently acts as Lead Counsel for Al Hassan Ag Abdoul Aziz Ag Mohamed Ag Mahmoud, and Jean-Pierre Bemba (Article 70) before the ICC. She has advocated continuously for equality of arms and fair trial before  the ICC since April 2006, which is when she was recruited to set up the Office of Public Counsel for the Defence, pending the appointment of Principal Counsel. She is an officer of the IBA Human Rights Committee, and has been Co-Chair of the ICCBA harassment committee since 2018. She is also a co-founder of the Yazidi Asylum Project, and teaches international and regional human rights at the Leiden University College. 

Natalie von Wistinghausen

Since being called to the Berlin Bar, Natalie von Wistinghausen specialises in criminal defense as a trial advocate and has acquired wide-ranging legal experience in domestic and international legal criminal work.  She was admitted to the List of Counsel at the International Criminal Court (ICC), the Kosovo Specialist Chambers (KSC), the Special Tribunal for Lebanon (STL) and the International Residual Mechanism for Criminal Tribunals (MICT). Before the International Criminal Tribunal for Rwanda (ICTR), she was Legal Assistant in the defense team of Justin Mugenzi and in Germany, she was Lead Counsel through all the stages of the proceedings in the case against Onesphore Rwabukombe who was accused of charges relating to the Rwandan genocide. Besides her domestic work in Germany, she was assigned in 2016 to protect the interests and rights of the accused Hassan Hussein Oneissi in the in absentia proceedings of The Prosecutor v. Ayyash et al. at the STL. She is also the Vice-Co-Chair of the War Crimes Committee (WCC) of the International Bar Association (IBA).

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