| Ernest Cognacq - Founder | Former seller, creator of the store in 1870. |
| Marie-Louise Jaÿ - Co-leader and wife | Ex-seller of the *Good Market*, key partner. |
| Frantz Jourdain - Architect Art Nouveau | Designer of enamelled rotundas and facades. |
| Henri Sauvage - Architect Art Deco | Author of the Seine-side extension (1928). |
| Bernard Arnault - President of LVMH | Porter of the reopening project in 2021. |
| Anne Hidalgo - Deputy Mayor of Paris (2009) | Support for the joint renovation project. |