Thierry Calandra is Professor of Medicine, Head Physician, Service of Immunology and Allergy and former Head of the Infectious Diseases Service at the Lausanne University Hospital and University of Lausanne

His research interests have focused on innate immunity, sepsis, bacterial and fungal infections in critically ill and ICU patients and in immunocompromised hosts. He has published close to 300 monographs, book chapters, original and reviews articles which appeared in the New England Journal of Medicine, Lancet, JAMA, Clinical Infectious Diseases, the Journal of Infectious Diseases, Nature, Nature Medicine, Nature Review Immunology, the Journal of Experimental Medicine and in the Proceedings of the National Academy of Sciences.

Thierry Calandra is a Visiting Fellow at CAS during the summer semester 2023 as well as during the winter semester 2023/24 at the invitation of Prof. Dr. Juergen Bernhagen. In 2024 he is an Honorary Fellow at CAS.