2004-2005 academic year - Bruno Eckhardt - Philipps Universität, Marburg
2005-2006 academic year - Sasa Kenjeres, JMBC & Technical University, Delft; Serge Simoëns, CNRS & École Centrale de Lyon
May - July 2007 - Jerry Westerweel, JMBC & Technical University, Delft
May - June 2008 - Willem van de Water, JMBC & Technical University
Nov. 2008 - Wim van Saarloos, Leiden University
Oct. - Dec. 2010 - Wim Briels, Twente University
Nov. 2011 - Marie Farge, CNRS & École Normale Superieure, Paris
Nov. – Dec. 2012 - Henk Dijkstra, Utrecht University
Apr., May, Nov. 2013 - Ulrike Feudel, Carl von Ossietzky University, Oldenburg
Nov. 2015 - Jürgen Kurths, Humboldt University, Berlin, Germany
Nov. 2016 - Jayanta Bhattacharjee, Indian Association for the Cultivation of Science, India
Nov. 2017 - Fuquing Znang, Pennsylvania State University