 Professor Kröger is an individual member of the Swiss Academy of Technical Science and heads the topical (SATW) platform “Autonomous Mobility”; he has been awarded “Distinguished Affiliate Professor” by Technische Universität München in 2012., and "Senior Fellow" of IASS Potsdam .Inter alia he is member of the international review group of the Japanese Nuclear Safety Institute (JANSI), the project of 'energy systems of the future'(ESYS), and notable advisory boards.Most recent publications/books are dedicated to the vulnerability of critical infrastructure systems and interdependencies among them and to make them more resilient.