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Rahula Oliver Barnes Wijesekera Edit Profile

consultant , scientific research administrator

Rahula Oliver Barnes Wijesekera, Sri Lankan scientific research administrator, consultant. Chartered chemist, United Kingdom. Recipient Guinness award for science achievement Commonwealth Science Council United Kingdom, 1976, North Carolina Shah award Perfumery & Fragrance Association India, 1989.


Wijesekera, Rahula Oliver Barnes was born on October 17, 1928 in Colombo, Sri Lanka. Son of Barnes De Silva and Constance Stella (Abeynaike) Wijesekera.


Bachelor of Science, University Ceylon, Colombo, 1951. Doctor of Philosophy, University Sheffield, England, 1958. Doctor of Science (honorary), University Sheffield, England, 1995.

Doctor of Science (honorary), University Peradeniya, Sri Lanka, 1988.


Research officer Medical Research Institute, Colombo, 1952-1966. Head natural products Ceylon Institute of Science & Industrial Research, 1966-1977. Research fellow University California, Davis, 1968—1969.

Specialist consultant National Science Research Council, Georgetown, Guyana, 1977-1978. Scientist, manager task force World Health Organization, Geneva, 1978-1980. Special technical adviser United Nations Industrial Development Organization, Vienna, 1980-1991.

Chairman governor board Ceylon Institute of Science & Industrial Research, Colombo, since 1994. Senior partner Intecnos Associates International Industrial Consultant, Colombo, since 1991. Chairman National Science and Technology Commission, 1998-2003.

Consultant, director board governors Link Natural Products Private Ltd., since 2003.


  • Chartered chemist, United Kingdom.


Fellow National Academy of Sciences, Royal Society Chemistry United Kingdom. Member Sri Lanka Association for Advancement of Science (general president 1995), Institute Chemistry (president Sri Lanka chapter 1970-1971).


  • Other Interests

    Photography, cricket, reading literature, music, opera.


Married Marina Bernadette Joachim, July 1, 1976.

Barnes De Silva Wijesekera

Constance Stella (Abeynaike) Wijesekera

Marina Bernadette Joachim