Professor, University of Ioannina

Instructor, Brightpoint Community College

School of Metallurgy and Materials Engineering, University of Tehran

Professor of Chemical and Biological Engineering, Koc University, Istanbul, Turkey

Professor of Mechanical and Materials Engineering, Wright State University

Korea Polytechnic University

Professor, Dept. of Metallurgical & Materials Engineering, NIT Rourkela, India

Professor of Biofibers and Biomaterials Science, Kyungpook National University

Research Associate of Physics & Chemistry, University of Colorado Boulder

National Synchrotron Radiation Research Center