Dr Niki Siampakou


  • Department:
  • Research strand: In the public interest: accountability of the state and the prosecution of crimes
  • Main fields of interest: Counter-Terrorism Critical Approaches to International Law International Criminal Law International Human Rights Law International Humanitarian Law Transitional Justice


Dr. Niki Siampakou joined the Asser Institute in May 2023, as a Joint Research Fellow with the International Centre for Counter-Terrorism (ICCT). Her work focuses on the appropriate legal responses against violent extremism and terrorism, with a particular focus on (inter)national criminal justice and human rights considerations. At the Asser Institute, she is part of the research strand 'In the public interest: accountability of the state and the prosecution of crimes'

Prior to joining the Asser Institute, Niki worked in the field of transitional justice as a research and training project manager at the IFJD-Institut Louis Joinet in France. She also participated in two field missions in the Central African Republic and in several conferences. Between 2016 and 2019, she was a contractual researcher (doctorante contractuelle) at Aix Marseille University. Her principal areas of expertise include international criminal law, transitional justice and international human rights law.

Niki holds a PhD in international criminal law (2020) and a master’s degree in public international law (2016) from Aix Marseille University and a bachelor’s degree in law from the Aristotle University of Thessaloniki (2014) which included an Erasmus exchange at Lisbon School of Law of the Universidade Católica Portuguesa (2013). Her doctoral dissertation, entitled ‘Against all hopes: The untenable promise of reparations of the International Criminal Court’, provides a critical analysis of the ICC’s reparation mandate. During her PhD, she was a visiting scholar at New York University (JSD Program, 2018-2019) and at the University of Amsterdam (ACIL, 2017-2018). She also interned with the Victims participation and reparations section of the International Criminal Court and the Greek Ministry of Justice.