is chief of Unit of Cancer Epidemiology and Director of Dept. of Screening, CPO, Turin, Italy. He has a vast experience in conducting national and international epidemiological research. Co-ordinator of breast, cervix and colorectal cancer screening programs in the Piedmont Region. Editor and co-author of Quality assurance guidelines for cervical cancer screening and of Quality assurance guidelines for colorectal cancer screening, in collaboration with IARC and the Oxford University, funded by EC.