Evangelos J. Giamarellos-Bourboulis is Professor of Internal Medicine and Infectious Diseases at the Medical School of the National and Kapodistrian University of Athens since 2018. He was trained in the Immunology of Infections at the Department of Internal Medicine and Infectious Disease of Radboud University in the Netherlands. In 2012 and 2013 he served as guest Professor of the Department of Critical Care Medicine of Jena University Hospital in Germany. His main research contribution is immunomodulation in sepsis and in auto-inflammatory disorders for which he was awarded the Young Investigator Research Award by the European Society of Clinical Microbiology and Infectious Diseases. He has 436 publications in international peer-reviewed journals with 20,700 citations and h-index 71. He has contributed in the development of clarithromycin for immunomodulatory treatment of septic shock, the recognition of hidradenitis suppurativa (HS) as an auto-inflammatory disorder and in the licensing of adalimumab for treatment of (HS). He is chairing the Hellenic Sepsis Study Group (www.sepsis.gr). He currently serves as the President of the European Shock Society and the chairman of the European Sepsis Alliance. Since the start of COVID-19 pandemic he was the first to publish the complex immune dysregulation of severe patients and he is running six clinical trials on treatment and vaccination.