| Link | Location |
|---|
| Ekaterina Shashkova | Moscow, Russian Federation |
| Dave Shelton | Madison, Wisconsin, United States |
| Zhanna Shimanaeva | Москва, Russian Federation |
| Stanislav Shishkin | Moscow (online), Russian Federation |
| Bianca Sias | Plano, Texas, United States |
| Rense Siegmund | Amersfoort, Netherlands |
| Ryan Sihota | Boston, Massachusetts, United States |
| Nussbaumer Silvio | St. Gallen, Switzerland |
| Joey Simon | Amsterdam, Netherlands |
| Ajeet Singh | London, United Kingdom |
| Amrit Singh | Minnetonka, Minnesota, United States |
| Mony Singh | Union City, California, United States |
| Sharath chandra Siripuram | Charlotte, North Carolina, United States |
| Olga Sklyarova | Moscow, Russian Federation |
| Michal Škvor | Prague, Czechia |
