Institutional organs of ITTIG are the Director and the Institute Council, assisted by five Commissions and a juridical and administrative staff (Manola Cherubini, Sebastiano Faro, Elisabetta Marinai, Marina Pietrangelo).
The activities of the Institute are divided into research job orders, work packages, and into the administrative and technical services structure.
The Personnel of the Institute is composed by research fellows, technologists, technicians and administrative staff. The ITTIG also benefits from the contribution of external researchers through the awarding of research and study grants and work contracts; it also periodically hosts researchers from other Italian and international research institutions.