The last 15 to 17 December 2008 the AEGIS collaboration meet at Lick Observatory, University of California, Santa Cruz. J. Gallego and R. Guzmán were nominated as "core" members and P.G. Pérez-González was nominated as a "regular" member. GUAIX is the only spanish group represented in the AEGIS core.
UCM was selected to host the AEGIS meeting in december 2009.
Dr. Antonio (Toni) Marin Franch has visited the UCM to parcipate as referee in the PhD defense of Esther Mármol Queraltó. The day after that event Toni has given a seminar entitled "Relative ages of Galactic globular clusters. Clues to the Milky Way formation time scales".