Iaccarino obtained his MD at the Univ. of Naples (1962) and H. C. in Biology (1999) at the Univ. of Viterbo. Post Doc at Stanford Univ., visiting Prof. at Sussex Univ. Director of the International Institute of Genetics and Biophysics, Naples (1985-1993) and Director of the Institute of Molecular Genetics, Alghero (1994). Assistant Director General for Natural Sciences at UNESCO (1996-2000), where he organised several intergovernmental conferences, including the World Conference on Science (Hungary, 1999). Member of the Italian Evaluation committees for Research in Biology, Medicine and Biotechnology and of the evaluation boards of several international organisations (European Commission, EMBO, Human Frontier Science Program, and the British Council). Member of the EMBO Council and of the Council of ICSU, the International Council for Science.