Tsinghua University

The University of Melbourne

Chemical engineering Professor

Research Director, Water Research Institute (IRSA) - National Research Council (CNR)

Chair and Professor, Environmental Technology, Wageningen University

Sardar Patel University, Mandi, HP

School of Chemistry and Chemical Engineering, University of Southampton

Emeritus Professor

CSIR-IMMT, India, King Juan Carlos University, Spain, Princeton University, USA

University of Calgary, Canada