Jesus Fortun is an Infectious Diseases Assistant; Section Chief of the Infectious Diseases Department of the Ramón y Cajal Hospital in Madrid; Associate Professor at the University of Alcalá; ex-member of the Directive Board of the Spanish Society of Infectious Diseases (SEIMC); and former Chair of the study groups of infection in transplant patients (GESITRA) and fungal infection (GEMICOMED) in SEIMC. Furthermore, he is an active collaborator in the Ramón y Cajal Research Institute (IRYCIS), a member of the Spanish Research Network for Infectious Diseases (REIPI) and CIBER in Infectious Diseases (CIBERINFEC), as well as an Evaluator Advisor in FIS research projects of the Carlos III Institute of the Spanish Ministry of Health.