Advisor to W.H.O (The World Health Organization) and the Minister of Health, Ministry of Health, Greece
Official representative, Greek Ministry of Health. “Eighth European Regional Meeting of National AIDS Coordinators” World Health Organization. Athens, Oct. 1994.
Official Observer, Greek Ministry of Health and National School of Public Health. 16th General Assembly of ASPHER (Association of Schools of Public Health in the European Region): “Information Policy in Public Health.” Cracow, Oct. 1994.
Invited Observer, Vienna Festival 2000. Vienna, March 2000.
Invited Active Member, “Action Committee for Collaborations between University and Local Communities and the Region”, Senate, University of Peloponnese