Prof. Fernando Baquero currently serves as a Research Professor at the Ramón y Cajal Institute for Health Research (IRYCIS), Division of Biology and Evolution of Microorganisms at the Ramón y Cajal University Hospital, Madrid, Spain. He earned his MD from the Complutense University and PhD from the Autonomous University of Madrid. He was trained in clinical microbiology at the National Hospital for Infectious Diseases in Madrid, at Max von Pettenkofer Hygiene Institute in Munich (1970), the Pasteur Institute in Paris (1973–1974), and later in population, evolutionary biology, and mathematical modeling at the Department of Biology at Emory University, Atlanta (1995). He is the former President of the Spanish Society of Microbiology and an elected member of the American and European Academies of Microbiology (AAM and EAM). He received the ICAAC Award of ASM, Descartes Award from the EU, the Lwoff Award from FEMS, the Garrod Award from BSAC, and the ARIMA Award from IUMS, as well as the Clarivate Award 2024 for Most Quoted World Scientist in Microbiology. His research focuses on antibiotic resistance mechanisms and their ecological implications, bacterial population dynamics and evolutionary adaptations, the persistence of pathogens in biofilms and host environments, as well as horizontal gene transfer and the dissemination of resistance genes. He has published more than 560 peer-reviewed articles (PubMed) and has a Google Scholar h-index of 123, with 62,000 references.