| Victor Bangert | Freiburg | 2015 (Köln) | |||||
| Misha Bialy | Tel Aviv | 2014 (Dortmund) | |||||
| Gonzalo Contreras | Cimat, Mexico | 2013 (Bochum) | |||||
| Helmut Hofer | IAS Princeton | 2017 (Bochum) | |||||
| Mark Levi | Penn State | 2015 (Köln) | |||||
| Gabriel P. Paternain | Cambridge | 2013 (Bochum) | |||||
| Leonid Polterovich | Tel Aviv | 2012 (Münster) | |||||
| Serge Tabachnikov | Penn State | 2014 (Dortmund) | |||||
| San Vũ Ngọc | Rennes | 2012 (Münster) | |||||
| Eduard Zehnder | ETH Zürich | 2017 (Bochum) | |||||
H. Geiges, 13.07.15