Professor Bernard Do, a full professor in physical chemistry and quality and a hospital pharmacist, is affiliated with the Materials and Health Laboratory of the University of Paris-Saclay and with the Public Health and Pharmacy Research Department of the Henri Mondor University Hospitals. In terms of research, he studies and characterises the molecular mechanisms of the ageing of drugs and materials of medical interest. His hospital activities are devoted to quality management, quality control and pharmaceutical development for institutional clinical trials. In addition to these missions and in parallel, from 2007 to 2013, he was an expert at the EDQM (a "chemistry" group) and, since 2021, at the ANSM.