President, Indian Chemical Society & Former Vice Chancellor, ICT Mumbai

Director General, Central Institute of Petrochemical Engineering and Technology (CIPET) , Government of India

University of Southern Denmark, Denmark

Sirindhorn International Institute of Technology, Thammasat University, Thailand

Department of Physics, Federal University of Lavras, Brazil

Thapar Institute of Engineering & Technology (Deemed to be University)

U.S. Environmental Protection Agency (USEPA), United States

Indian Association for the Cultivation of Science, India

Distinguished Professor, School of Advanced Eng, University of Petroleum and Energy Studies