| Charles Bordes - Co-founder and first director | Initiator of Gregorian renewal and the Chanteurs de Saint-Gervais. |
| Vincent d’Indy - Co-founder and Professor | Specialist in Palestrina, director after 1911. |
| Alexandre Guilmant - Co-founder and professor of organ | Major figure in French religious music. |
| Abbé Louis-Lazare Perruchot - Chapel Master | Founding member, linked to Notre-Dame des Blancs-Manteaux. |
| Guy Ropartz - Professor and member of the artistic council | Resignation in 1934 during the crisis. |
| Michel Denis - Current Director | Directs the establishment from an unspecified date. |