University of the Sunshine Coast and University of Connecticut

Professor of Tropical Forest Ecology, Wageningen University, The Netherlands

University of Vermont & Kellogg School of Management

Professor of Marine Ecology, Kristineberg, University of Gothenburg

University of Nevada Las Vegas

Professor, Universidad Nacional Autónoma de México, Facultad de Ciencias

Professor of Education, Penn State University

Research Professor, Emeritus, University of Washington

Research Ecologist, USDA Forest Service

Telfer School of Management, University of Ottawa