| Eugène Freyssinet - Engineer and architect | Designer of the hall, pioneer of prestressed concrete. |
| Victor Sabouret - Engineer of the Compagnie Paris-Orléans | Defended the original project of the hall. |
| Bernard Jaulin - Event organizer | Saved the hall via events (2011–2016). |
| Xavier Niel - Entrepreneur and founder of Station F | Turned the hall into a digital incubator. |