Director, Center for Quantum Research and Technology, University of Oklahoma

Professor of Physics, Theoretical Materials Physics, Q-MAT, University of Liège

CNRS

CNR-SPIN, Chieti, Italy

Institute of Physics of NAS Ukraine

Seoul National University

Professor, MS & E Dept, POSTECH, Korea; Currently, Seoul National University

Liquid Crystal Institute, Kent State university

Distinguished Professor of Physics, Rutgers University

Applied Physics, Central South University