The European Interferometry Initiative (Eii) is structured and governed according to a Memorandum of Understanding signed by all partners. The Eii is governed by a board representing all the approved and candidate Activities, and a Scientific Council representing all participating countries.
| Claudia Paladini | President of the EII Scientific Council |
| Guillaume Bourdarot | Vice-President of the EII Scientific Council |
| Foteini Lykou | Secretary of the EII Scientific Council |
| Antoine Mérand | ESO representative |
| Denis Defrère | Coordinator of INFRATECH EII participation |
| Claudia Paladini | President | |
| Guillaume Bourdarot | Vice-President | |
| Foteini Lykou | Secretary | |
| Austria | Franz Kerschbaum | |
| Belgium | Olivier Absil | |
| Czech Republic | Pavel Jáchym | |
| ESA | ||
| ESO | Antoine Mérand | |
| France | Florentin Millour | |
| Germany | Thomas Henning | |
| Hungary | Péter Ábrahám | |
| Ireland | Tom Ray | |
| Israel | Sagi Ben-Ami | |
| Italy | Sebastiano Ligori | |
| Netherlands | Walter Jaffe | |
| Poland | Joanna Mikolajewska | |
| Portugal | Carlos Correia | |
| Spain | Jose Carlos Guirado | |
| Switzerland | Sascha Quanz | |
| United Kingdom | David Buscher |