Professor of Geobotany, University of Freiburg, Germany

Professor of Landscape Ecology, Purdue University

Professor of Conservation Biology, Université du Québec à Trois-Rivières

Member and researcher, International Society of Ecoacoustics

North Carolina State University

Principal Faculty Specialist, University of Maryland.

chercheur, Institut de Recherche Chorus

Professor of Biological Sciences, Western Michigan University

Queensland University of Technology

Universidade Federal do Reconcavo da Bahia, Brazil / Curtin University, Australia