| Link | Location |
|---|
 | Vernon Rowland | Minneapolis, Minnesota, United States |
 | Brad Roy | Freehold, New Jersey, United States |
| Pavel Rubakhin | Moscow, Russian Federation |
| Jeffrey Rubin | Rockville Centre, New York, United States |
 | Lana Rudolph, PMP, CSM, ACP | Philadelphia, Pennsylvania, United States |
| Prayoch Rujira | Jakarta, Indonesia |
| Vera Rumyantseva | Toronto, Canada |
| Stephan Rupp | Berlin, Germany |
| Ute Rupprecht | Munich, Germany |
| Irina Rusanova | Москва, Russian Federation |
| Natalia Rusova | Moscow, Russian Federation |
| Josh Ryan | Fort Collins, Colorado, United States |
 | Denys Ryzhykh | Haarlem, Netherlands |
| Andrew S | Rockville Centre, New York, United States |
| Andrejs Sabasovs | Riga, Latvia |
