The team
Boutique law firm, WJ Avocats is made up of lawyers and legal experts practicing in several languages, as consultants and litigators.
The team’s skills are cross-disciplinary and complementary, enabling a global grasp of the most complex situations and the ability to intervene before all national, foreign and international jurisdictions.
Thanks to its 20 years’ experience in international litigation, the firm can guarantee its clients, be they natural persons, legal persons or institutions, its absolute availability as well as the highest quality of tailored support.
William Julié
Paris Bar
Brussels Bar
Works in French and English
- INTERNATIONAL CRIMINAL LAW
- Criminal Law
- WHITE COLLAR CRIME
- Sanctions
- INTERPOL
- Human Rights
- COMPLEX CROSS-BORDER LITIGATION
Memberships
- International Criminal Law Officer of the International Bar Association (IBA)
- European Bar Association (ECBA)
- President of the Commission Pénale de l’Association des Avocats Conseils d’Entreprises (ACE)
- Forum des Avocats Spécialistes de l’Extradition (DELF)
- Association des Juristes Franco-Britanniques (LBLS)
Member of the Paris Bar since 2000, William JULIÉ is a Franco-British lawyer, who worked mainly in criminal law, before focusing his practice on International and European Criminal Law.
After studying International Law at the University of Paris-Sorbonne (Paris I), William JULIÉ turned to Criminal Law, obtaining a doctoral certification (Doctorat d’études approfondies) in European Criminal Justice Policy directed by Professor Mireille Delmas-Marty while also attending the Institute of Criminology at the University of Paris-Assas (Paris II).
His first years fine-tuning his skills as a criminal and fundamental rights lawyer were spent working alongside renowned professionals, amongst whom Maître Henri Leclerc (President of the Human Rights League).
He has developed a strong practice in International and European criminal litigation, especially in extradition proceedings, international and European arrest warrants, and withdrawal of INTERPOL Red Notices.
He has since extended his practice to complex and technical international and transnational litigation cases, in particular international and European sanctions, including before the Court of Justice of the European Union, and the recovery of frozen assets.
He regularly intervenes as a legal expert in criminal law and human rights law before foreign courts.
William JULIÉ is on the List of Counsel to the International Criminal Court.
Amélie BEAUCHEMIN is an attorney at the New York Bar and Paris Bar.
Before joining WJ Avocats, she taught an introduction to International Criminal Law within the International Law program for Arabic speakers at the Washington College of Law and worked for the international co-prosecutor’s office in the Extraordinary Chambers in the Courts of Cambodia (ECCC). She also collaborated with several Syrian NGOs, coordinating the work of the teams on the ground and co-teaching the principles of International Criminal Law and Crime Documentation to Syrian lawyers and activists.
She holds a bilingual Master’s degree in International and European Law from the University Paris-Ouest Nanterre La Défense and an LL.M in Human Rights and Humanitarian Law from the American University Washington College of Law.
At WJ Avocats, she developed a strong expertise on international sanctions matters and assisted multiple clients in the context of annulment proceedings.
She also regularly works on cross-border criminal cases.
Elena MORENO is an attorney at the Paris Bar.
She completed a double degree in Franco-English law, obtaining an LLB in English law and a Maîtrise in international and European law. She also holds a Master II in International Law and Organizations from the Université Paris I Panthéon-Sorbonne.
After various experiences in international criminal law and human rights (Council of Europe, United Nations High Commissioner for Refugees and the European Parliament), she worked on European sanctions litigation as an associate at Acquis EU Law & Policy.
Elena MORENO joined WJ Avocats in 2024, and mostly covers INTERPOL, extradition and European sanctions cases.
Camille GOSSON is an attorney at the Paris Bar.
She graduated with a Master 2 in International Criminal Justice and a Master 1 in Criminal Law and Criminal Sciences from the University of Paris-Panthéon-Assas. She also has a background in Common Law from the same university and an exchange year at McGill University.
After working with a defense lawyer in Montreal, she joined the International Law Clinic of Assas to work on the qualification of international crimes committed during the conflict in Tigray, Ethiopia. In 2023, she was part of the Defense Team for Mr Pjetër Shala at the Kosovo Specialist Chambers in The Hague.
At WJ Avocats, she mainly works on cases related to INTERPOL (red notices) and International and European Criminal Law (sanctions).
adèle chastang
Works in French, English and Spanish
AREAS OF LAW
Adèle CHASTANG graduated from the University of Paris-Saclay with a Master’s degree in International and European Law. She completed her education with an LLM in international and transnational criminal law from the University of Amsterdam.
After an initial experience with an NGO providing aid to victims of genocide, she worked as a Trial Monitor at the trial of Félicien KABUGA before the MICT. She then joined the Criminal Justice Legal Clinic, where she worked on international crimes committed by the Belarusian regime since the 2020 elections.
These experiences, combined with her research work in European Union law and International Criminal Law, confirmed her interest in International Law.
She joined the firm as a trainee lawyer in January 2025.
Aurora PINELLI holds a double degree in European Social and Political Studies from Sciences Po Paris and University College London. As part of her Master 2 Global Business Law & Governance, taught jointly by Columbia Law School, Sciences Po Paris and Université Paris-Sorbonne, she is currently studying European human rights law, public and private international law, international criminal law, CSR and corporate responsibility, in particular the crimes committed by the Burmese regime against the Rohingya.
She worked for an NGO assisting victims of the Srebrenica genocide in Bosnia-Herzegovina, before integrating the criminal business law team of the law firm A&O Shearman. She then joined Columbia Law School’s Human Rights Institute, where she worked for the Trial Watch Project of the Clooney Foundation for Justice.
She joined the firm as a legal intern in January 2025.
louise sury
Works in French and English
AREAS OF LAW
- INTERNATIONAL PRIVATE LAW
- INTERNATIONAL PUBLIC LAW
- IMMIGRATION LAW
Louise SURY holds a Master’s degree in Transatlantic relations law from the University of Bordeaux and an LLM in International and transnational law from the University of Laval in Quebec. Her studies focused on Human Rights and European Union law, topics on which she has conducted research, notably as an editorial assistant for the Chair Jean Monnet at the University of Laval.
After a first work experience at the Ile-de-France prefecture as a project manager for the integration of refugees, she completed a traineeship with a law firm specializing in immigration law. As part of the legal clinic at the Bar Training School, she provides free legal advice consultations.
Admitted to the Paris Bar in 2023, she has completed an internship in the international department of the public prosecutor’s office at the Paris Court of Appeal. There, she developed her expertise in European arrest warrants, extradition proceedings, and international judicial cooperation.
She joined the firm as a trainee lawyer in January 2025.
Alice BOURNAT holds a Master’s degree in Human Rights law from the University of Strasbourg. She developed her interest for this topic during her exchange at the University of Groningen, in the Netherlands. Since 2024, she has been an assistant lecturer at CY Cergy Paris University, where she taught Human Rights courses. She also has a background in Common Law, holding a university diploma in Anglo-American Law.
She is a member of Amnesty International and is currently managing the partnerships of the Law Clinic of HEDAC law school. She also participated in several Moot Court Competitions, including the Prix Albert Joly in which she reached the finale.
After several professional experiences in different law firms and at the Cour de cassation, she joined the WJ firm as trainee lawyer in January 2025.
