• President, of the Allergy and Immunology Society of Sri Lanka (AISSL) October 2019 to date
• Founder member of the Allergy and Immunology Society of Sri Lanka (AISSL) 2000
• Vice President- AISSL : 2015-2017
• Secretary-AISSL:2012 – 2014 & in 2008
• Treasurer- AISSL : 2009-2010
• Council member-AISSL : 2002, 2005-2007, 2011
• Member of the American Association of Immunologists (2013-2016; ID 00229382)
• Member of International Union of Immunological Societies (IUIS)
• Member of Federation of Immunological Societies of Asia-Oceania (FIMMSA)
• Member of World Allergy Organization (WAO)
• Member of the American Society Microbiology (ID #: 56133309; 2006-2008)
• Life member of Institute of Biology Sri Lanka (IOB-SL) since 2002
• Council member, IOBSL (2002-2005)
• Assistant Treasurer 2004-2005, IOB-SL
• Life member of Section A (Medical Sciences), Sri Lanka association for the Advancement of Science (SLAAS), (1984 onwards; 3391/A)
• Section A committee, SLAAS (2007; 1998)
• General Research Committee, SLAAS (1994-95; 2001)
• Member of Sri Lanka Association for Improving Higher Education Effectiveness (SLAIHEE) (2006).

Examiner – BSc Chemistry Special – 4^th year research Project

January 2016 – Department of Chemistry, Faculty of Science, University of Colombo, Dissertation Titled “Genetic changes in microscopically suspicious areas for papillary carcinoma within folecular adenomas”

Examiner – BSc Zoology Special – 4^th year research Project

October 2011 – Dept of Zoology, Faculty of Science, University of Colombo, Dissertation Titled “Use of new PCR assay and testing the status of infection for cytomegalovirus infections in Sri Lankan kidney transplant patients under immunosuppressive therapy.

September 2011 – Dept of Zoology, Faculty of Science, Dissertation Titled “Immune status, clinical aspects and risk factors of human leptospirosis in Gampaha District, Sri Lanka”.

Evaluator of Undergraduate research – Judge at AGRES 2011

September 2011 – served as a Judge for the Final year student project presentations at the Faculty of Agriculture and Plantation Management.

Evaluator of Research presentations – Judge at YSF Symposium 2011

January 2012 – served as a Judge for evaluating research presentations of postgraduate & undergraduates candidates organized by the Young Scientists Forum (YSF) and NASTEC.

Examner MSc/PG Diploma

Examiner for the Semester Examinations, Dissertation Examination and Selection Test of the MSc-Cellular and Molecular Immunology course at IBMBB, University of Colombo from 2005 to date

Aug 2017 – Selection test for MSc/PG Diploma in Molecular Medicine, PGIM, University of Colombo

2018 – Chief Examiner, Examination III – (Module 03 & 04), PG Diploma in Molecular Medicine, PGIM, University of Colombo.

Examiner – PhD Dissertations

April 2013 – Ms Chamila P Adikaram, Faculty of Medicine, University of Colombo, Sri Lanka.   Thesis titled “Molecular Characterization of rifampicin resistant Mycobacterium tuberculosis and development of PCR-ELISA for identification of rifampicin resistance”

September 2003 – Dr Lukshmy M Hettihewa, Faculty of Medicine, University of Ruhuna, Sri Lanka.Thesis titled “Induction of malaria sporozoite surface protein (SSP2) specific CD8+ T cell immunity by vaccination of genetically engineered dendritic cells”.

July 2000 – Dr Surangi G Yasawardena, Faculty of Medicine, University of Colombo, Sri Lanka.Thesis titled “Immunization with genetically engineered immunogens from merozoite surface antigens of Plasmodium falciparum and the effects of antibodies on red cell invasion”.

December 1996 – Mr P L Prakash Rao, Javaharlal Nehru Technological University,A.P., Hyderabad, India.Thesis titled ”Studies on Humoral and Cell mediated response to Erythrocytic stages of human malaria Plasmodium falciparum in a malaria endemic zone of Andra Pradesh”.

Examiner MPhil Dissertations

2017 – Ms H S Sakunthala, Faculty of Science, University of Kelaniya, Sri Lanka. Thesis titled ”Gastroprotective, ulcer healing and anti-diarrhoeal effects of leaves of Desmodium trifolium D.C. (Heenundupiyaliya) in rats”.

June 2006 – Ms C Wickramratne, Faculty of Science, University of Colombo, Sri Lanka. M.Phil Thesis titled “Studies on Antibody production against peptides derived from malaria parasite antigens in balb/c mice“.

Examiner MSc Dissertations

Oct 2012 – Mr N Kanthakumaran, IBMBB, University of Colombo, Sri Lanka. Thesis titled “Molecular characterization of inland and coastal population ofAnopheles subpictus B in Sri Lanka”.

May 2012 – Ms WMKT de AW Gunasekera, Faculty of Science, University of Colombo, Sri Lanka.Thesis titled “A field evaluation of polymerase chain reaction assay for diagnosis of malaria”.

Examiner – MSc/PG Diploma in Molecular Medicine  – PGIM

Aug 2017 – Selection test for MSc/PG Diploma in Molecular Medicine

Evaluator of Research presentations – Judge at YSF Symposium 2011

January 2012 – Served as a Judge for evaluating research presentation of postgraduate & undergraduand held at ate candidates organized by the Young Scientists Forum (YSF) and NASTEC.