Ph. D, Department of Physics, Tamkang University

Senior Scientist, Lawrence Berkeley National Laboratory

Professor of Mechanical and Mechatronics Engineering, University of Waterloo

Korea Advanced Institute of Science and Technology

University of Maryland

Professor of Chemistry, University of Massachusetts Amherst

Professor of Environmental Engineering, Kyungpook National University

Professor of Chemistry and Physics

University of Massachusetts, Lowell

South Dakota School of Mines and Technology