Jan. 2015-Jan.2018 Visiting Professor, Guizhou University, RP China Dec 2013 -June 2016 Senior Researcher Centre for Catalysis and Sustainable Chemistry (CSC), Department of Chemistry, Technical University of Denmark (DTU), Denmark. Sep. 2013-Nov 2013 Research Chemist, Haldor Topsøe, Denmark Jan. 2010-Aug. 2013 Senior Researcher, CSC, Department of Chemistry, DTU, Denmark. Jan. 2008-Dec 2009 Postdoctoral Fellow, CSC and Centre for Sustainable and Green Chemistry, Department of Chemistry, DTU, Denmark Sep. 2006-Oct. 2007 Postdoctoral Fellow, Department of Chemistry, Inha University, South Korea June 2005-May 2006 Research Scientist, Department of Chemistry, KAIST, South Korea Oct. 2004-Dec. 2004 DST-DAAD Fellow, University of Kaiserslautern, Germany May 2001-May 2004 Project Fellow, Anna University, Chennai, India

Valorisation of Lignocellulosic Biomass to Chemicals and Fuels, Synthesis and Functionalization of Porous Materials, Synthesis of nano-sized bimetallic catalysts, Functionalised Ionic Liquids for CO2 Capture, Functionalised Ionic liquids for Sugar Transformations.