1981, graduate in Economics, La Sapienza, University of Rome; studies in Econometric Analysis, Institute of Economic Policy. 1982, with National Institute of Statistics; 1989, Research Director, National Institute for Short Term Economic Analysis, conducting monetary and financial analyses; 1992, with National Institute of Statistics: 1993-97, Head, National Accounting and Economic Analysis Department; 1996, Central Director, Statistics on Institutions and Enterprises. 2001-09, Director and Chief Statistician, Statistics Directorate, OECD. Professor in Economic Statistics, Rome University Tor Vergata. President, Italian Statistical Institute. Member of national and international committees. Author.