Stefan Nelwan works as a Team Manager, leading the Crisis Preparation Unit at the Netherlands National Cyber Security Centre (NCSC-NL), and at the NATO Command and Control Centre of Excellence (C2COE). At NCSC-NL, his focus is on the preparation, management, and evaluation of cyber crises, and the organization of the largest joint cybersecurity exercise in The Netherlands. Stefan serves as a reserve officer, working as a Staff Officer at the NATO C2COE. His research interests include civilian and military cooperation, human factors, leadership, and team performance for resilient and effective crisis response. Previously, Stefan worked at the Erasmus University Medical Centre as a Manager Medical Technology and scientific researcher. He holds an MSc. in Medical Informatics from Erasmus University, as well as a Ph.D. in Signal Processing, in which he worked on new patient monitoring methods in the field of cardiology and epidemiology.