Sergei Boeke is a researcher at Leiden University - Institute of Security and Global Affairs. Boeke joined the faculty in February 2013. He has served in the Royal Netherlands Navy as an officer and later joined the diplomatic service of the Ministry of Foreign Affairs. Moving back to the Ministry of Defense in 2008, he was involved in supporting the Dutch comprehensive approach mission in Afghanistan. In 2011, he completed a 9 month training for civil servants at the Ecole Nationale d’Administration (ENA) in Strasbourg, France. His areas of interest include cyber governance/cyber security, and terrorism in the Sahel.