Chris Kremidas-Courtney is a senior visiting fellow at the European Policy Centre, lecturer on hybrid threats, resilience, and global strategy for the Institute for Security Governance, senior researcher for the US Naval Postgraduate School, Associate Fellow for the Geneva Center for Security Policy, senior advisor for Defend Democracy, and member of the civil experts groups for NATO,  the Hybrid CoE, and Euro-Atlantic Resilience Centre. 
 
They served for 34 years in various roles for the US and NATO including tours as Political Advisor for NATO Training Mission – Iraq (NTMI), Policy Planner for the US Military Delegation to NATO,  Assistant Political Advisor to the Commander of NATO Joint Force Headquarters – Naples, Deputy Defense Advisor at the US Mission to the European Union, Balkans Regional Manager for the Joint Interagency Countertrafficking Center. More recent positions include senior fellow at Friends of Europe, multilateral engagement coordinator for US European Command and (Acting) Director of Training and Exercises for the Hybrid COE in Helsinki.   
 
They serve as a frequent lecturer for Harvard University, New York University,  Geneva Center for Security Policy (GCSP), European Security and Defence College (ESDC), College of Europe, Irish National Defence College, Italian Naval Staff College, University of Makedonia (Greece),  Universidad Rey Juan Carlos (Spain), and member of the EU Radicalisation Awareness Network (RAN).