Research Scientist, Natural Resources, College of Food, Agricultural, and Environmental Sciences, Ohio State University (past)
Postdoctoral Fellow, Natural Resources
Lecturer / Professor, Ressources Naturelles
National Consultant, United Nations Food and Agriculture Organization (FAO), Port-au-Prince
Postdoctoral Researcher, Institute of Ecosystem Studies, Millbrook
Graduate Research Associate, Agronomy / School of Natural Resources, Ohio State University (past)
Associate Professor, Department of Earth Sciences, School of Science, Indiana University-Purdue University Indianapolis