Markus A. Weigand is the Head of Department of the Anesthesiology at Heidelberg University Hospital and a full professor of Anesthesiology at the Ruprecht Karls University of Heidelberg. After studying human medicine in Ulm and Munich, he received his MD in 1993. He initially worked as a resident physician (Arzt in Weiterbildung) at the Department of Anesthesiology at Heidelberg University Hospital and in parallel as a visiting scientist at the German Cancer Research Center (DKFZ) in the Department of Immunogenetics. A research sojourn brought him to Basel in 2001 at the Basel Institute of Immunology. After his board certification “Anesthesiology”, he worked as senior physician in the Department for Anesthesiology from 2002 onwards. In 2004, he received the Venia Legendi of the Medical Faculty of the Ruprecht-Karls-University of Heidelberg for the subject of Anesthesiology. From 2008 to 2014, he was the Head of Department of the Anesthesiology, Operative Intensive Care Medicine and Pain Therapy at the University Hospital Gießen and Marburg, Gießen site, and a full Professor of Anesthesiology and Operative Intensive Care Medicine at the Justus Liebig University Giessen. His research interests include Ventilation and hemodynamics, Time-controlled adaptive ventilation, and Lung immunology in sepsis and COVID-19.