Chemist, Center for Functional Nanomaterials, Brookhaven National Laboratory

Associate Professor, Department of Micro/Nano electronics, Shanghai Jiaotong University

University of Science and Technology of China (USTC)

Research Professor of Chemistry, Northwestern University

Professor, Department of Chemistry, Inha University

Professor of Chemistry, Georgetown University

Professor of Theoretical Physics, University of Bayreuth

Guangdong University of Technology

Professor, University of California, Riverside

Professor, Queens College of the City University of New York