Prof. invitado a la International Society for the Study of European Ideas (ISSEI) - Karl-Franzens-Universitäts, Graz, Austria (1994) South America Regional Editor' ISPP-Newsletter (1995-2000) de la International Society of Political Psychology (ISSP) Prof. invitado a la International Society for the Study of European Ideas (ISSEI) - UHS, Utrecht, The Netherlands (1996)