Dr. Guillermo Maestro is a specialist physician at the 12 de Octubre University Hospital in Madrid, where he practices Internal Medicine with a primary focus on inpatient consultation services. He also serves as the coordinator of the hospital’s Antimicrobial Stewardship Program, promoting responsible antibiotic use and optimizing infectious disease management. Dr. Maestro holds a PhD in Biomedical Sciences from the Complutense University of Madrid and has extensive expertise in infectious diseases, with a strong commitment to clinical excellence and multidisciplinary collaboration.