The ONJ is managed by the AJON, the Association for Jazz in National Orchestra.

The AJON benefits from a general budget between 914,645 and 1 067,140 euros, according to the years, including 807,980 euros granted by the French Minister for Arts.

The AJON is led by a board of directors composed of the following members :

Board : Roger FONTANEL, Didier LEVALLET, Didier SALLE, Bob REVEL

Members from the Minister for Arts : Jérôme BOUET, Dominique PONSARD

Qualified members : Pascal ANQUETIL, Guillaume DE CHASSY, Guy DELUZ, Jonathan DUCLOS ARKILOVITCH, Jean-Marc GRANET BOUFFARTIGUE, Régis HUBY, Raphaël IMBERT, Xavier PREVOST, Jean-Paul RICARD, Olivier SENS.