Professor Química, Universidade Federal de São Carlos

Universiti Sains Malaysia

Jožef Stefan Institute

Universidad Autónoma de Nuevo León - Facultad de Ingeniería Mecánica y Eléctrica

Associate Professor of Applied Science, Physics Department, Umm Al-Qura University

Faculty of Science and Marine Environment, Universiti Malaysia Terengganu

Professor of Physics

Aristotle University of Thessaloniki

Doctoral Research Scholar, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam