Assistant Lecturer(1991- 1992), University of Ruhuna, Matara, SL
Senior Lecturer(1996- 2003), University of Ruhuna, Matara, SL
Full Professor(2003- 2006), University of Ruhuna, Matara, SL
Professional Affiliation
Professional Scientist (1994 to date), American association for the advancement science
Qualified photochemist(1990 to date) , Journal of photochemistry and photobiology
Visiting Professor, Faculty of Technology, Kanazawa University, Japan,
1st October 1995 to 31st December 1995
15th October 1997 to 15th November 1997
1st May 1999 to 31st July 1999
Visiting Researcher, Sheffield Hallam University, UK
13th August 2000- 26th August 2000
National Research Council Committee Member(1999-2005), SL
National Science Foundation, Nano-Technology Task Force Member (2006 to date)
National Nanotechnology committee member: From 2007
Council Member (2006 to date) Institute of Fundamental Studies, Kandy, SL, appointed by His Excellency the President of Sri Lanka
Administrative duty
World Bank IRQUE Project Director University of Ruhuna(2005), Matara, SL
World Bank IRQUE Project Acting Director University of Wayamba (2007-2009), Kuliyapitiya,SL
External Affairs Director Wayamba University of Sri Lanka (2006-2007), Kuliyapitiya, SL
Director Welfare: Wayamba University of Sri Lanka (2007 to date)
