Horticultural Sciences Department, University of Florida

Professor of Biochemistry and Molecular Biology, University of Paris Cité

Professor Emeritus of Physiology, Idaho State University

Research Molecular Biologist, USDA-ARS CMAVE Gainesville FL USA

IRBV, Université de montréal

University of Florida

Professor & Chair, Biochemistry, Des Moines University

Instructor, Stanford University

University of Florida

associate professor at laboratory medicine department, umm al qura university