Mathias Pletz is Infectious Diseases Physician and Pulmonologist and the founding chair of the Institute of Infectious Diseases and Infection Control. He is a member of the WHO COVID-19 Guidance Development Group, Vice President of the German-Austrian-Swiss Paul Ehrlich Society for Anti-infective Treatment and the German Sepsis Society. He serves as advisor to the Robert Koch Institute and the State of Thuringia and on the board of directors of several research networks (including Center for Sepsis Care and Prevention, Infectognostics, CAPNETZ). He has substantial experience in RCTs and observational cohort studies with a focus on sepsis, respiratory tract infections, antibiotics and vaccines. Recently, he has established a strong bioinformatics group that conducts the molecular COVID-19 surveillance for the State of Thuringia.