Distinguished Professor, Western Sydney University, Macaulay Institute

Max Planck Institute for Biogeochemistry

University of North Carolina, Greensboro

Manaaki Whenua - Landcare Research

Environment, Soils and Land-Use Department, Teagasc, Johnstown Castle

Fenner School of Environment and Society, Australian National University

Professor, University of Auckland

Conservation Ecology, University Marburg

Professor of Oceanography & Coastal Sciences, Louisiana State University

Associate Professor, Scientia Fellow, The University of New South Wales, Australia