Initiated and coordinated the National Nanotechnology Initiative (NNI) and the National STI Strategy of Sri Lanka
Served as Chairperson of the National Science Foundation from July 2004 - July 2013.
Science Advisor to Minister of Science and Technology Senior Minister for Scientific Affairs Sri Lanka since 2006)
Professor of Microbiology at University of Sri Jayewardenapura since 2001
University Academic (medical microbiology) 1986 todate
Clinical Research Fellow and Registrar / Senior Registrar in Virology at St George's Hospital Medical School in London, UK 1989 - 1993
Medical Officer (1982-1985)