ESO's Organisational Structure

ESO, the European Organisation for Astronomical Research in the Southern Hemisphere, is an inter-governmental organisation with 13 Member States.

The Organisation is led by the Director General who is appointed by the ESO Council. The current Director-General is Prof. Tim de Zeeuw.

The main organisational and managerial units of ESO are the Directorates and Divisions. Currently the Directorates are: Directorates for ALMA, Programmes, Operations, and Science. The Divisions are: ALMA Construction, Telescope, Instrumentation, Technology, La Silla Paranal Observatory, Data Management and Operations, ST-ECF, Software Development, Administration, and Human Resources. Most of the divisions are located within a Directorate. Divisions are organised in Departments, some of which consist of two or more Groups.

For a detailed overview of ESO's organisational structure up to the level of Divisions, please consult the organigram of ESO (PDF).