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.

Barry F. Madore scientific staff of The Observatories of the Carnegie Institutions at Washington (OCIW) gave an interesting talk on "What, if anything, is a galaxy?" which is related to one of his scientific interest: 'The complexities of deciphering galaxy evolution'.