Samson Abramsky, Christopher Strachey Professor of Computing, Department of Computer Science, Oxford University, UKJuha Kontinen, Academy Research Fellow, Department of Mathematics and Statistics, Helsinki University, FinlandJouko Väänänen, Dean of the Faculty of Science and Professor, Department of Mathematics and Statistics, Helsinki University, Finland; Professor, University of Amsterdam, The NetherlandsHeribert Vollmer, Faculty of Electrical Engineering and Computer Science, Theoretical Computer Science Institute, University of Hannover, Germany