The Annual European Safety and Reliability Conference ESREL 2018 is an international conference under the auspices of the European Safety and Reliability Association (ESRA), which took place with great success on 17-21 June 2018 in the Norwegian University of Science and Technology, NTNU, Trondheim, Norway. The topic for ESREL 2018 was “Safe Societies in a Changing World” and the goal of the conference was to advance in the understanding, modeling, and management of the complexity of the risk, safety and reliability fields characterizing our world, now and in the future.   NTUA actively contributed with the following presentations: