| Name | Zeitraum |
|---|---|
| O' Brien, Liam | |
| Watly, Lukasz | |
| Giralt, Romulo | 2011 |
| Teixeira, Carla | 2011 - 2012 |
| Cakici, Fatma | 2011 - 2012 |
| Didoné, Evelise | 2011 - 2014 |
| Salcedo, Franchesca | 2012 |
| Sojkova, Katerina | 2012 |
| Dhaka, Shivraj | 2012 |
| Al-Atrash, Farah | 2015 - 2018 |
| Rinaldi, Alessandro | 2016 |
| Spigliantini, Giorgia | 2016 |
| Kinattinkara, Kishan Lal | 2016 |
| Rizzi, Laura | 2016 |
| Reffat, Rabee | 2016 |
| Ahmad, Rehab | 2016 |
| Montano, Carolina | 2016 - 2019 |
| Freeman, James | 2017 |
| Spigliantini, Giorgia | 2018 |
| Sabatino, Roberto | 2018 |
| Grassi, Camila | 2018 - 2019 |
| Edappilly, Lakshmi Prabha | 2018 - 2019 |
| Owen, Spencer | 2019 |
