- 2018 Jan. to Jan 2021 Dean of the Faculty of Arts, University of Colombo
- 2017 July to date Steering Committee Member of Establishing new Faculty of Engineering, University of Colombo.
- 2016 Jan. to July 2017 Steering Committee Member of Establishing new Faculty of Technology, University of Colombo.
- 2016 February to date Sub-committee Member of Infrastructure Development Committee of proposed Faculty of Technology, University of Colombo.
- 2016 Feb. to July 2017 A member of Curriculum Development Committee of proposed Faculty of Technology, University of Colombo
- 2016 May to 2018 Jan. Chairman of the Faculty of Arts Grievances Committee.
- 2016 August to 2018 Jan. Member of the Faculty of Arts Student Mediation Committee.
- 2016 July to 2018 Jan Chairman of the Faculty of Arts Beautification Committee.
- 2014 to 2018 Feb. Coordinator of the Multi-cultural Center at the University of Colombo.
- 2013 Jan. to July 2014 Deputy Vice-Chancellor, University of Colombo
- 2012 to 2013, 2017- 2018 Head, Department of Sociology, University of Colombo.
- 2011 to Aug. 2014 University Co-ordinator for the project on ‘Ethnic Cohesion’ under the Higher Education for Twenty-First Century.
- 2008 to 2013 Senior Student Counselor, University of Colombo.
- 2012-2013 Acting. Director of Carrier Guidance Center of University of Colombo
- 2007 –to 2008 Vice-president, Arts Faculty Teacher’s Association, University of Colombo.
- 2013-to date Chief editor of Social Analysis Journal, Department of Sociology, University of Colombo (Sinhala).
- 2009-2010 President of Arts Faculty Teachers’ Association, Uni. Of Colombo
- 2010-2011 President of Faculty Center of the University of Colombo.
- 2009 to 2010 Vice-President of Faculty Center of the University of Colombo.
- 2009 to date Representative of the Faculty of Arts to the University Sports Board
- 2006 to 2009 The President of the Sociological Association of Sri Lanka.
- 2009-2010 Sports Secretary at the Academic Staff Faculty Centre, University of Colombo
- 2006 to 2008 M. Phil Co-ordinator at the Department of Sociology, University of Colombo.
- 2006 – 2008 MA Co-ordinator at the Department of Sociology, University of Colombo.
- 2006 – 2008 The Senior Treasurer of the Main Student Union of the University of Colombo.
- 2007-2008 FND course Co-ordinator, Faculty of Arts
- 1996 -2000 Representative of the Faculty of Arts to the University Sports Board.
- 1998 -1999: Honorable Secretary for the Committee “Popularizing of Social Sciences”, Sri Lanka Association for Advancement of Science (SLAAS).
- 1998 – 2000: Sub-Warden for the Telewela Student Hostel of the University of Colombo.
- 1996 – 2000: Hon. Treasurer at the Academic Staff Faculty Centre, University of Colombo.
- May 1995 to Sep.2000: Committee member of the Colombo University Teachers Association
- Feb.1994 to Nov.1997 The Board member of the Inter Ethnic Harmony Corporation Project and the Community Development Programme of the University of Colombo, sponsored by the Swedish Embassy in Sri Lanka
- Jan.1993 to Dec.1998: Student Counselor of the Faculty of Arts, University of Colombo (reappointed from March 2006)
- 1991 to date Founding Member of Dr Newton Gunasinge memorial Lecture Series.
