| Link | Location |
|---|
 | Krzysztof Liszewski | Warsaw, Poland |
 | Sonia Lively | Minneapolis-United Health, Minnesota, United States |
| Jarek Łojko | Warsaw, Poland |
| Jen Long | Minneapolis-United Health, Minnesota, United States |
| Paul Long | Minneapolis-United Health, Minnesota, United States |
| Susan Long | Minneapolis-United Health, Minnesota, United States |
 | Jerry Lopez | Minneapolis, Minnesota, United States |
| Lawrence Louis | Munich, Germany |
| Guoxiang Lu | Singapore, Singapore |
| Uram Luboslava | Milan, Italy |
| Corsini Luca | Milan, Italy |
| Fioravanti Luca | Milan, Italy |
| Martyn Lumb | Los Angeles, California, United States |
| Peter Lutz | Minneapolis-United Health, Minnesota, United States |
| Carsten Lux | Munich, Germany |
