| Roland Bonaparte - Prince and sponsor | Napoleon I's grand-nephew, built the hotel. |
| Marie-Félix Blanc - Wife of the Prince | Financed the construction through its legacy. |
| Ernest Janty - Initial architect | Designed the hotel in Louis XIV style (1892-1895). |
| Michel Roux-Spitz - Architect of transformations | Modified facades and interiors in 1929. |
| Richard Martinet - Restoration architect | Directed the work from 2005 to 2010. |
| Pierre-Yves Rochon - Interior architect | Collaborated in modern renovation. |
| Princesse Marie Bonaparte - Daughter of Prince Roland | Selled the hotel in 1925. |