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)
Admitted to the Paris Bar in 2000, William Julié is a Franco-British lawyer who pratices mainly in criminal defence and international litigation.
After studying law at the University of Paris Sorbonne (Paris I), William Julié joined Professor Mireille Delmas-Marty’s DEA (post-graduate diploma) in Criminal Policy in Europe and the Institute of Criminology at the University of Paris Assas (Paris II).
He began his career in the field of criminal law and fundamental rights working alongside renowned lawyers, in particular Maître Henri Leclerc (President of the Ligue des Droits de l’Homme).
His expertise includes extradition, the withdrawal of INTERPOL notices, restrictive measures (sanctions) and, more generally, complex national and cross-border litigation.
He regularly intervenes as a legal expert before foreign courts.
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
Works in French, English and Spanish
- CRIMINAL LAW
- INTERNATIONAL CRIMINAL LAW
- INTERPOL
- HUMAN RIGHTS
- EUROPEAN UNION LAW
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
- INTERNATIONAL CRIMINAL LAW
- PUBLIC INTERNATIONAL LAW
- EUROPEAN UNION LAW
- INTERNATIONAL PRIVATE 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.
AURORA PINELLI
Legal intern
Works in French, English, Italian and Spanish
INTERNATIONAL ECONOMIC LAW
EUROPEAN LAW
- INTERNATIONAL CRIMINAL LAW
louise sury
Works in French and English
- 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.
