Queen's University Belfast

University of Minnesota, Minnesota Sea Grant Program, Large Lakes Observatory

Professor of Tropical Ecology and Conservation, School of Geography, University of Leeds

Professor of Ecosystem Science, Colorado State University

University Distinguished Professor of Agronomy, Kansas State University

Research Scientist and Laboratory Fellow, JGCRI/PNNL

Université du Québec à Montréal

Professor of Soil Microbiology, Oregon State University

Professor of Marine Biogeochemistry, Xiamen University

Senior Scientist, The Ecosystems Center, Marine Biological Laboratory