Horn Point Laboratory, University of Maryland Center for Environmental Science

Professor, Marine Biological Section, Department of Biology, University of Copenhagen

Professor, University of Delaware

Ifremer

Flanders Marine Institute (VLIZ) - Past: Ghent University (UGent)

Associate Professor at Department of Biology, University of Copenhagen

Regents' Professor of Biology, University of Oklahoma

INSTAAR, University of Colorado

Reader in Marine Geosciences, University of Edinburgh

University of South Carolina Beaufort