| Link | Location |
|---|
| Pat O'Brien | Minneapolis-United Health, Minnesota, United States |
| Regis O'Neill | Minneapolis-United Health, Minnesota, United States |
| Julian Ofenstein | Munich, Germany |
| Diane Ogg | Minneapolis-United Health, Minnesota, United States |
| Grzegorz Olender | Wroclaw, Poland |
| Majbritt Sylvest Olsen | Copenhagen, Denmark |
| Ryan Orndorf | Minneapolis-United Health, Minnesota, United States |
| Liz Orsini | Minneapolis-Optum & United Health, Minnesota, United States |
| Radek Orszewski | Wrocław, Poland |
| Petrucci Oscar | Milan, Italy |
| Vladimir Ostapenko | Minsk, Belarus |
| Darcy Osterhaus | Hartford, Connecticut, United States |
| Marty Otten | Minneapolis-Optum & United Health, Minnesota, United States |
| Thomas Otto | Munich, Germany |
| Jochen Otzelberger | Munich, Germany |
