University of Modena and Reggio Emilia

Professor of Physics, Southern Connecticut State University

Professor, Department of Physics, University of Thessaly

Mount Royal University

Faculty of Education, Chiang Mai university

Physics Education, Malikussaleh University

SHBIE, Universiti Brunei Darussalam

Physics Professor, University of Rizal System

Associated professor / A, Al-Balqa' Applied University

Tutor, Dambai College of Education