Associate Professor, Department of Chemistry, VNIT Nagppur.

Group Leader, German Aerospace Center;

 Senior Lecturer, Keele University

Senior Scientist, IPF Dresden

Professor and Head-IIC, IIT Roorkee

Associate Professor/Reader, Newcastle University in Singapore

Associate Professor

Division of Forest and Biomaterials Science, Graduate School of Agriculture

Kyoto University

Professor, Department of Chemistry and Department of Biosciences and Bioengineering,
IIT Roorkee