Professor of Physics, Virginia Commonwealth University

Professor of Inorganic Chemistry, University of Patras

Professor of Physics,Nanjing University

Physics Dept., Acharya Nagarjuna University

Universidade Estadual do Piauí, CCN-PPGQ-Química e PPGCM-UFPI-Ciência de Materiais

National Renewable Energy Laboratory (NREL)

Wroclaw University of Science and Technology

Instrument innovator & Reseacher, University of Wisconsin -Madison

Professor in Chemistry, Shantou University

University of Oviedo