Professor

Regents Professor of Chemical and Biological Engineering, Montana State University

University of Groningen

Professor of Molecular Microbiology, University of Nottingham

Professor of Medicine and Microbiology, Mayo Clinic

University of Washington

University of Duisburg-Essen

Professor, Institut Pasteur

Professor Emeritus, Agricultural University of Athens, Athens, Greece

Professor of Microbial Ecology, Aarhus University