- Prof. Thomas Bolander, DTU, Copenhagen, November 29 - December 5, 2016
- Prof. Patrick Blackburn, Roskilde University, November 25, 2016
- Prof. Keith Devlin, Stanford University, November 25, 2016
- Dr. Fernando R. Velázquez Quesada, University of Seville, September 2016
- Prof. Branden Fitelson, Rutgers University, September 18-22, 2016
- Dr. Eric Pacuit, University of Maryland, 6-16 June 2016
- Prof. Rohit Parikh, Brooklyn College and CUNY Graduate Center, April 10 - May 1, 2016
- Dr. Jon Williamson, University of Kent, April 21, 2016
- Dr. Davide Grossi, University of Liverpool, March 22, 2016
- Prof. Olivier Roy, University of Bayreuth, March 22, 2016
- Rahim Ramezanian, Sharif University of Technology, February 12, 2016
- Prof. Robert Goldblatt, Victoria University of Wellington, September 10, 2015
- Prof. Mingsheng Ying, University of Technology Sidney, September 10, 2015
- Prof. John Harding, New Mexico State University, September 10, 2015
- Prof. Branden Fitelson, Rutgers University, May 2015
- Dr. Davide Grossi, University of Liverpool, April or May 2015
- Prof. Thomas Bolander, Technical University of Denmark, March-April 2015
- Prof. Hans van Ditmarsch, Loria, Nancy France, March 2015
- Prof. Christian List, London School of Economics, March 2015
- Prof. Tomoyuki Yamada, Hokkaido University, 15-19 February 2015
- Prof. Thomas Bolander, Technical University of Denmark, 23-29 November 2014
- Dr. Thomas Icard, Stanford University, 21-28 September 2014
- Prof. Rohit Parikh, Brooklyn College and CUNY Graduate Center, 24-28 September 2014
- Prof. Thomas Agotnes, University of Bergen, 6-9 September 2014
- Prof. Jeremy Seligman, Auckland University, 6-9 September 2014
- Dr. Pingzhong Tang, Tsinghua university, 1-6 October 2014
- Prof. Fenrong Liu, Tsinghua University, 8 September - 10 October 2014
- Prof. Branden Fitelson, Rutgers University, 1-30 June 2014
- Prof. Francesca Poggiolesi (CEPERC UMR) and Prof. Brian Hill (HEC Paris), 26-28 March 2014
- Prof. Vincent Hendriks, University of Copenhagen, 20-22 February 2014
- Prof. Rohit Parikh, Brooklyn College and CUNY Graduate Center, 10-17 November 2013
- Prof. Sven Ove Hansson, Royal Institute of Technology, Stockholm, 29 October-2 November 2013
- Dr. Emiliano Lorini, IRIT-CNRS, University of Toulouse, 9-14 September 2013
- Rasmus Rendsvig, Denmark, July 2013 - June 2014
- Prof. Fenrong Liu, Tsinghua University, 15-23 May 2013
- Prof. Giacomo Sillari, Scuola Normale Superiore di Pisa, 20-22 March 2013
- Prof. Mamoru Kaneko, University of Tsukuba, 11-17 February 2013
- Prof. Janusz Czelakowski, Opole University, 30 January-2 February 2013
- Prof. Thomas Bolander, Technical University of Denmark, 3-7 December 2012
- Prof. Hans van Ditmarsch, LORIA, Nancy & (associate) IMSc, Chennai, 6 December 2012
- Prof. Rohit Parikh, Brooklyn College of CUNY and CUNY Graduate Center, 18-24 November 2012.
- Prof. Valentin Goranko, Technical University of Denmark, 8-21 October 2012
- Prof. Daisuke Bekki, Ochanomizu University, 16-18 October 2012
- Prof. Guillaume Aucher, Université de Rennes, 23-29 September 2012
- Prof. Nuel Belnap, University of Pittsburgh, 11-13 June 2012
- Prof. Branden Fitelson, Rutgers University, 19-22 May 2012
- Prof. Vincent F. Hendricks, University of Copenhagen, 12-16 May 2012
- Dr. Jens Ulrik Hansen, Roskilde University, March 2012 - March 2013.
- Prof. Ondrej Majer, Institute of Philosophy of the Academy of Sciences, Czech Republic, 24-29 March 2012.
- Prof. Maria L. Dalla Chiara, University of Florence, Italy, 25-28 February 2012.
- Prof. Roberto Giuntini, University of Cagliari, Dipartimento di Scienze Pedagogiche e filosofiche, Italy, 1-29 February 2012.
- Hanti Lin, Carnegie Mellon University, Pittsburgh, 15-25 January 2012
- Prof. Kevin T. Kelly, Carnegie Mellon University, Department of Philosophy, Pittsburgh USA, 9-25 January 2012.