Professor of Microbiology, University of Illinois at Urbana-Champaign

Professor of Genetics and Microbiology, University of Vienna, Austria

Professor Emeritus, Archaea Centre, Department of Biology,, Copenhagen University

University of St Andrews

Head of Marine Molecular Microbiology & Biotechnology Group IRBIM-CNR

University of Texas Austin, Departments of Marine Science and Integrative Biology

Institut Pasteur

Professor of Biological Chemistry, Kyushu University

University of Freiburg, Institute of Biology II, Microbiology

Professor of Microbiology and Immunology, University of Maryland, Baltimore