He is author or coauthor of more than 100 scientific peer-reviewed scientific works, most of which are published in leading international journals, such as Journal of the American Statistical Association, Journal of the Royal Statistical Society Series B, Journal of Business and Economic Statistics and Biometrics. He is also a coauthor of the book "Exploring Multivariate Data with the Forward Search", (with Marco Riani and Anthony C. Atkinson) published by Springer-Verlag. From 2011 to 2015, he was Editor-in-Chief of the international Journal “Statistical Methods and Applications” (Springer), for which he had served as a Co-editor from 2008 to 2011. He is currently an Associate Editor of the international Journal “Advances in Data Analysis and Classification” (Springer). He was President of the Scientific Council of the Classification and Data Analysis Group, a Section of the Italian Statistical Society, for the period 2009-2011. He is currently a representative of the same Group in the Council of the International Federation of Classification Societies. He has been invited to give plenary talks and to organize specialized sessions at many international scientific conferences.