 Between 1994 and 1999 he also acted as a consultant for the Institute of European and Latin American Relations (IRELA), financed by the European Parliament, by invitation of its General Director, Wolf Grabendorff.Villegas was Director of the magazine Foro Internacional from 1993 to 1998.From 1997 he was a member of the Editorial Council of Metapolítica, the quarterly magazine of Theory and Political Science of the Comparative Politics Studies Center, and from 1998 for Political Studies, by the Faculty of Social and Political Sciences of UNAM.