| Link | Location | |
|---|---|---|
 | Bianca Sias | Plano, Texas, Estados Unidos |
| Greg Sicher | Edina, Minnesota, Estados Unidos |
| Kavitha Siddada | Bangalore, India |
| Raman Sidhu | Hyderabad, India |
| Łukasz Sidorkiewicz | Wrocław, Polonia |
| Svitlana Sidorova | Kyiv, Ucrania |
 | Robert Siegl | Munich, Alemania |
| Marleen Siemensma | Amsterdam, Países Bajos |
| Marcin Sierakowski | Warsaw, Polonia |
| Michael Sieron | Zurich, Suiza |
| Patria Chong Siew Chyi | Singapore, Singapur |
| Karen Skadsheim Sikkeland | Oslo, Noruega |
 | Michał Siklucki | Kraków, Polonia |
| Kamil Sikora | Warsaw, Polonia |
| Tanmoy Sil | Dublin/London, Irlanda |
