Konstantinos Efstathiou obtained his bachelor’s and master’s degrees from the Department of Physics in the University of Athens. He obtained his PhD in 2004 at the Université du Littoral in Dunkerque under the supervision of Boris Zhilinskií and Dmitrií Sadovskií with the distinction “très honorable avec félicitations du jury”.In 2005 he started working as postdoc in the group of Henk Broer at the Johann Bernoulli Institute for Mathematics and Computer Science, University of Groningen. In February 2013 he was appointed Lecturer at the Department of Mathematical Sciences of the Xi’an Jiaotong-Liverpool University in Suzhou, China where he also served as acting Head of Department. In April 2014 he returned to Groningen as tenure track Assistant Professor. His research interests include the geometry of integrable Hamiltonian systems with applications to physics, and the dynamics of networks.