| Year | Country | Name |
|---|---|---|
| 2020 Sendai 116(*) |
Bangladesh | A S M Morshed |
| India | Abhishek Ghosh | |
| Thailand | Awirut Oon-arom | |
| Hungary | Dorottya Ori | |
| Georgia | Eteri Machavariani | |
| Kenya | Florence Jaguga | |
| Spain | Justo Pinzón Espinosa | |
| Belarus | Olga Kazakova | |
| UK | Shevonne Matheiken | |
| Singapore | Su Hui Ho | |
| South Africa | Tejil Morar | |
| Greece | Theodoros Koutsomitros |
* Online conference
