- 2022: Chairperson – Committee of Clinical Psychologists, Ceylon Medical College Council
- 2019-2020: Member – Expert Committee on Eliminating Ragging in Universities and Corporal Punishment in Schools, Sri Lanka Medical Association
- 2019-to date: Member – Core Group on Communication in Healthcare, Sri Lanka Medical Association
- 2019: Advisor – Steering Committee of the DivorceeCare Project, Sumithrayo, Colombo
- 2018- to date: Member – Steering Committee of the North East England South Asia Mental Health Alliance, United Kingdom
- 2018: Member – Advisory body of the Legal Aid for Remand Prisoners project, Legal Aid Unit, Faculty of Law, University of Colombo
- 2018-2019: Member – Steering committee on the Development of a Life skills Program for Adolescents to Reduce Violence among Peers, UNICEF-Shanthi Maargam, Colombo
- 2017- to date: Member – Palliative and End of Life Care Task Force, Sri Lanka Medical Association
- 2017-2019: Curricular developer/resource person – Manohari project, World Health Organisation, Sri Lanka
- 2016-2017: Member – Expert panel of the National Child Protection Authority website, National Child Protection Authority, Sri Lanka
- 2016-2017: Member – Committee to Eradicate Torture by Police Practices, Ministry of Law and Order and Southern Development, Sri Lanka
- 2012-2015: Member – Committee of the Section A of the Sri Lanka Association for the Advancement of Science, Sri Lanka
- May 2015-to date: United Nations Certified External Stress Counsellor, Critical Incident Stress Management Unit (CISMU), UNDSS
- 2007-2012: Member – National Mental Health Advisory Council, Ministry of Health Care and Nutrition, Sri Lanka
- 2007-2012: Member – National Steering Committee on Child Rights, Ministry of Women’s and Children’s Affairs of Sri Lanka, Sri Lanka
- 2001-2002: Member – Advisory Committee on Psychological Matters of the Rana Viru Seva Authority, Presidential Secretariat, Sri Lanka
- 2001: Member – National Task Force on Preventing Child Trafficking for Exploitative Purposes, National Child Protection Authority, Sri Lanka
- 2000-2001: Consultative group member – Rana Viru Surekum Ekakaya, Presidential Secretariat, Sri Lanka
- 1999-2004: Member of the Board – National Child Protection Authority, Sri Lanka.
- 1999-2000: Expert resource person – Health Watch Page, Ceylon Daily News Newspaper, Sri Lanka
- 1998: Member – Board of the Federation of NGO’s for Mental Health and Well-being, Sri Lanka.
- 1997-1999: Consultant – Family Rehabilitation Centre, Sri Lanka