Lorenzo Tesolin is working at Sciensano, the Federal Health Institute in Belgium, in the division of Quality of Vaccines and Blood Products, where he is responsible for vaccine batch release and evaluation of the quality part of registration and variation dossiers of biologicals. He is also the manager of the in vivo & immunology testing unit. Lorenzo is actively involved in scientific advice procedures at national and European level and participates as product expert in GMP inspections on the request of the Belgian and European (EMA) Medicine Agencies. Lorenzo Tesolin is a member of the Vaccine OCABR drafting group of the European Directorate for the Quality of Medicines (EDQM). Lorenzo works as auditor (EDQM), where he is frequently asked to participate in Mutual Joint Audits of European control laboratories. He is also in firm collaboration with the World Health Organization (WHO) as temporary advisor in the framework of the regulatory strengthening of regulatory authorities (NRA-NCL training) and is involved in the WHO National control Lab Network (WHO-NNCL). He is also a temporary expert for the evaluation of products (Product Summary File evaluation) and manufacturers (site audits) for the prequalification procedure for assessing the acceptability of vaccines for purchase by UN agencies. Lorenzo Tesolin obtained his Master in Organic Chemistry in 1995 at the University of Louvain-La-Neuve in Belgium and then worked for four years as Project Manager and then Production Manager at Galactic Belgium, in the food adjuvant industry. He obtained a Master of Science in Management in 2004 at the Louvain School of Management while working as QC manager for Benechim (API toll manufacturer) for 6 years. In April 2006, he then joined the institute of public health (now Sciensano) as the laboratory coordinator before taking over the batch release and assessment responsibilities in 2008.