Liaison Prosecutor

Martyna Pospieszalska was appointed as the U.S. Liaison Prosecutor to Eurojust in October 2024. Ms Pospieszalska comes to Eurojust having served as an accomplished Trial Attorney at the U.S. Department of Justice’s Office of International Affairs (OIA) for over a decade. As a member of OIA’s Europe and Eurasia Team, Ms Pospieszalska ‘s practice focused on the extradition of fugitives to and from the United States, including advising and guiding U.S. prosecutors and European treaty partners through all aspects of the extradition process. Her work resulted in the successful extraditions of fugitives in a wide array of criminal cases, including those involving child sexual exploitation, corruption, complex fraud, terrorism, and violent and organised crime matters.

While at OIA, Ms Pospieszalska was a foremost member of the Cyber Team, where she served as an expert in electronic evidence and regularly trained and advised investigators and prosecutors from across the world on seeking electronic evidence from the United States via the mutual legal assistance process. Ms Pospieszalska was also a regular advisor and contributor to the United Nation’s Office of Drugs and Crime on their electronic evidence projects and initiatives. Prior to the Cyber Team, Ms Pospieszalska was one of the first attorneys at OIA dedicated to focusing on international asset forfeiture matters.

Ms Pospieszalska previously served as a Special Assistant U.S. Attorney at the U.S. Attorney’s Office in Washington, D.C. She started her legal career as a clerk for the Honorable Presiding Judge, Michael Dunston of the Superior Court of the U.S. Virgin Islands.

Ms Pospieszalska holds a Juris Doctorate, cum laude, with a focus on international law, from American University Washington College of Law and a Master’s Degree in International Affairs also from American University. She completed her undergraduate studies in political science at Swarthmore College

Deputy Liaison Prosecutor

Timothy Rank is the Deputy Liaison Prosecutor for the United States. Mr Rank is an experienced U.S. Department of Justice prosecutor, who has worked for more than two decades on a variety of criminal cases, including cybercrime, complex financial fraud, and national security matters. At Eurojust, Mr Rank focuses on multinational cooperation on cybercrime investigations between prosecutors and law enforcement in the U.S. and Europe on cases of joint interest, as well as developing cybercrime capacity-building relationships with countries represented at Eurojust.

Prior to April 2022, Mr Rank served in the U.S. Attorney’s Office for the District of Minnesota as Chief of the Criminal Division, and before that as the Deputy Chief of the National Security and Cybercrime Section as well as the Financial Fraud and Public Corruption Section. He joined the U.S. Attorney’s Office in 2004, and assisted with hundreds of criminal investigations and prosecutions, including multiple jury trials in which he was lead counsel. Mr Rank was the Computer Hacking and Intellectual Property Coordinator and the National Security Cyber Specialist for the U.S. Attorney’s Office. From 1998 to 2004, Mr Rank was an Assistant Attorney General in the Criminal Division of the Minnesota Attorney General’s Office, where he prosecuted cases involving homicide, major narcotics offenses, and internet crimes against children. Mr Rank began his legal career with the international law firm Faegre & Benson, where he practiced commercial litigation from 1994 to 1998.

Mr Rank has served as an Adjunct Professor at the University of St. Thomas Law School, where he taught White Collar Crime and Corporate Compliance. He has also taught extensively in the area of cybercrime and financial crimes to investigators, prosecutors, and judges in the United States, Europe, the Middle East, and Latin America, through the DOJ’s National Advocacy Center, the DOJ’s Office of Overseas Prosecutorial Development Assistance and Training, U.S. State Department INL/ILEA, the American Bar Association’s Rule of Law Initiative, and the Council of Europe. In 2021, Mr Rank was elected to the American College of Trial Lawyers.