| Name | From | Dates |
|---|---|---|
| Chan-Su Shin | HUFS | January 07-08, 2019 |
| Sang-Won Bae | Kyonggi University | January 07–08, 2019 |
| Sang Duk Yoon | Sungshin University | January 07–08, 2019 |
| Eunjin Oh | POSTECH | November 20, 2019 | Corentin Allair | École Polytechnique | April 22-August 23, 2019 |
| Sergio Cabello | University of Ljubljana | October 24-25, 2018 |
| Otfried Cheong | KAIST | November 29–30, 2017 |
| Hee-Kap Ahn | POSTECH | July 20, 2017 |
| Peter Braß | City College of New York | July 20, 2017 |
| Otfried Cheong | KAIST | July 12–13, 2017 |
| Helmut Alt | Free University of Berlin | May 31–June 1, 2017 |
| Hee-Kap Ahn | POSTECH | January 11–12, 2017 |
| Sang-Won Bae | Kyonggi University | January 11–12, 2017 |
| Chan-Su Shin | HUFS | January 11–12, 2017 |
| Hee-Kap Ahn | POSTECH | September 23, 2016 |
| Stefan Langerman | Free University of Brussels | September 23, 2016 |