The European Gravitational Observatory (EGO) is a consortium established to manage the Virgo interferometer and its related infrastructure, as well as to promote cooperation in the field of gravitational wave research in Europe.

It was founded December 11, 2000, by the French CNRS and Italian INFN, and is headquartered near Pisa, in the commune of Cascina.

[3] The Council appoints a Director who is the legal representative and chief executive of EGO.

[5] EGO pursues these main objectives:[6] The two founding members are the French CNRS and Italian INFN.

[1] EGO has an annual budget of €9 million split evenly between the French CNRS and Italian INFN.