2019
Philippe Lambert (France): 1 June until 31 October 2019
2018
Niek Scheepens (University of Tübingen): 28 until 30 of June 2018
Alex Bush, (University of New Brunswick, Canada): 4 until 7 July 2018
Stefan Prost (University of Stanford): 4 until 8 June 2018
2017
Massimo Brunetti (University of Turin): 8 January until 8 March 2017
Niya Toshkova (University of Sofia): 15 April until 30 June 2017
Dr. Anamarija Zagar (Universidade do Porto): 27 July until 24 August 2017
Monica Sheffer (Santa Rosa, CA): 4 August until 4 November 2017
Dr. Dmitry Leontyev (H.S. Skovoroda Kharkiv National Pedagogical University, Ukraine)
Daniel R. Mujalli (University of Potsdam)
2016
Dr. Jaap van Schaik (Max-Planck-Institute for Ornithology, Seewiesen): 1 July until 30 September 2016
Michael James Exton (Bangor University): 17 July until 29 August 2016
Tilottama Biswas (University of Gießen): 3 October until 17 October 2016
Dr. Gregory King (Queen’s University, Kingston, Ontario): 3 November until 29 November 2016