The IHS is organized as an association (Verein), following Austrian jurisdiction. Its main decision-making body is the Board of Trustees (Kuratorium), consisting of nine members. Advising roles are taken by the Scientific Advisory Board and the Stakeholder Committee.
The Institute has a two-level structure. It is managed by the Scientific Director Prof. em. Dr. Klaus Neusser General Manager Mag.(FH) Julia Studencki.
Research Groups constitute the core scientific units of the Institute. Many projects are conducted by teams across research units. The research units receive support from administrative and scientific service units.
(as per February 2023)