University of Pennsylvania
Professor
Villanova University
Senior Research Associate and Adjunct professor
The New Zealand Institute for Plant and Food Research Limited
Visiting Researcher
INRAE Antilles-Guyane
Postdoctoral researcher - Unite Sciences du Sol, Versailles
Colorado State University
Research Associate - Natural Resource Ecology Laboratory
Ecole normale supérieure
Visiting Professor
University of Alberta
University of Guelph
