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. At the NATO C2COE, Stefan serves as a Staff Officer where 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.