Ber Oomen is the Executive Director ESNO, European Specialist Nurses Organisation. He is responsible for several projects to promote and represent the interests of Specialist Nurses in an European context. In this capacity, since 2006 he has built strong relations with agencies such as the European Medicines Agency and the European Centre for Disease Prevention and Control and is frequently in contact with DG Santé at the European Commission. In parallel, he has developed solid and trusted contacts with colleagues from other European organisations for health care professionals. He still practices as a nurse two days each week, spending the rest of his time in his management role for ESNO, to advance different health projects, acting as a bridge between ESNO’s members and the European Institutions, platforms or forums, coordinating ESNO’s response to international health threats and creating opportunities for the association and its members. In his role he is also project leader of the European Nurses Guide on Vaccination, AMR and Infection control and engaged in a number of European project related to vaccination.