Giovanni Mettivier (born 1973, MSc. 1998, Ph.D. 2003) studied Physics at the University of Naples "Federico II". Since 1998 his scientific activity is entirely in the field of Medical Physics. After receiving post-docs positions in Medical Physics at Naples University, in 2004 he was appointed Research Associate of Medical Physics at the Faculty of Science, University of Naples “Federico II”, where in 2013-2017 he was Aggregate Professor of Medical Physics and from 2018 he is Associate Professor of Medical Physics. Since 1998 he collaborates to or leads experiments funded by the Italian Nuclear Physics Institute (INFN) and Horizon 2020 project. His research interests are in the development of digital imaging systems for mammography, X-ray computed tomography, autoradiography, nuclear medicine and small animal imaging. Since 2006 he is actively involved in the realization of a cone-beam X-ray breast computed tomography prototype. He was a member of the Editorial Board of Physica Medica - European Journal of Medical Physics (EJMP) from 2015 and for the same journal Guest Editor for 4 Special Issues (Medical Application of Synchrotron Radiation and two European Conferences on Medical Physics). From 2018, he is Associate Editor and in June 2020 he was Managing Editor for this journal. He is author of about 150 papers in peer-reviewed scientific journals with 1500 citations