| Name | Period | Host |
|---|---|---|
| Ibarra, Alejandro | Feb 14, 2019 ~ Mar 17, 2019 | Ko, Pyungwon |
| Ruben Minasian | Nov 6, 2018 ~ Nov 23, 2018 | Yi, Piljin |
| Parke, Stephen J. | Oct 20, 2018 ~ Nov 2, 2018 | Chun, Eung Jin |
| Pichon, Christophe | Oct 16, 2018 ~ Dec 8, 2018 | Park, Changbom |
| Ibarra, Alejandro | Sep 12, 2018 ~ Oct 11, 2018 | Ko, Pyungwon |
| Kwon, Chulan | Sep 1, 2018 ~ Aug 31, 2019 | Park, Hyunggyu |
| Kim, Kihong | Aug 1, 2018 ~ Jul 31, 2019 | Yi, Piljin |
| Pahwa, Isha | Jun 1, 2018 ~ May 31, 2019 | Park, Changbom |
| Donghui Jeong | May 7, 2018 ~ Aug 1, 2018 | Park, Changbom |
| Lee,Hyun Min | Apr 1, 2018 ~ Aug 31, 2019 | Chun, Eung Jin |
Schools
