Secretary, Board of Study in Biochemistry and Molecular Biology, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka - ( Jun 04th 2014-present )

Member, Board of Study in Biochemistry and Molecular Biology, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka - ( Apr 2010-present )

Instructor and Examiner, Board of Study of Biochemistry and Molecular Biology, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka - ( Mar 2010-present )

Instructor and Examiner, Board of Study of Science Education, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka - ( Mar 2010-present )

Research Associate and Instructor in the Plant Biotechnology Research and Outreach Center and Strawberry and Blueberry Genetics and Breeding Program, Michigan State University, USA - ( Jan 2007-Feb 2010 )

Graduate Research Assistant and PhD candidate, Dr. Amy F. Iezzoni Lab, Plant Breeding, Genetics and Biotechnology Graduate Program, Michigan State University, USA - ( Jan 2006-Aug 2009 )

MSc Student in Biotechnology Graduate Program, Board of Study in Agricultural Biology, Postgraduate Institute of Agriculture, University of Peradeniya, Sri Lanka - ( Sep 2001-Apr 2003 )

Lecturer in Contract Basis, Department of Agricultural Biology, Faculty of Agriculture, University of Peradeniya, Sri Lanka - ( Sep 2000-Sep2001 )

Coordinator for Designing of New MSc Program in Molecular Biology and Biotechnology, Postgraduate Institute of Science, University of Peradeniya, Peradeniya, Sri Lanka - ( 2015 )

Coordinator for Revising the BSc Program in Molecular Biology and Biotechnology, Faculty of Science, University of Peradeniya, Peradeniya, Sri Lanka - ( 2015 )

Member in the Committee for new BSc Degree in Environmental Sciences, Faculty of Science, University of Peradeniya, Sri Lanka - ( 2014 )

Member in the Committee for new BEd Degree, Faculty of Science and Faculty of Arts, University of Peradeniya, Sri Lanka - ( 2014 )

Senior Student Counselor, Faculty of Science, University of Peradeniya, Sri Lanka - ( 2011- 2012 )

Member in Course Unit Committee, Faculty of Science, University of Peradeniya, Sri Lanka 2010f2015 Resource Person and Examiner, Training Program in Teaching Methodology for University Academics, Staff Development Center, University of Peradeniya, Sri Lanka - ( 2011 )

Reviewer of Research Papers in Biotechnology for Annual Congress, Postgraduate Institute of Agriculture, University of Peradeniya, Sri Lanka - ( 2010-2014 )

Thesis Examiner, Board of Study in Plant Sciences, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka - ( 2010 )

Assistant Secretary, Science Teachers Association, Faculty of Science, University of Peradeniya, Sri Lanka - ( 2010 )

Resource Person in a Short Course on Biosafety and Oral examiner, Board of Study in Agricultural Biology, Postgraduate Institute of Agriculture, University of Peradeniya, Sri Lanka Visiting Appointments - ( 2010 )

Visiting Lecturer for a course on Genetic Improvement of Crops, Department of Plant Sciences, Faculty of Agriculture, Rajarata University of Sri Lanka - ( 2011/2012 )

Visiting Lecturer for courses on Plant Molecular Biology and Plant Breeding and Plant Reproductive Biology, Department of Botany, Faculty of Science, University of Peradeniya, Sri Lanka - ( 2011, 2013 )

Panel Chief in Marking Biology Answer Scripts, General Certificate of Education, Advanced Level Examination (GCE A/L), Department of Examinations, Sri Lanka - ( 2011, 2012, 2016, 2017 )

Thesis Examiner, Postgraduate Program in Biotechnology, Department of Botany, University of Ruhuna, Sri Lanka - ( 2011 )

Reviewer for 07 Research Papers, Annual Research Sessions, Rajarata University of Sri Lanka - ( 2011 )

Visiting Lecturer for a course on Pharmaceutical Biotechnology, Department of Pharmacy, Faculty of Allied Health Sciences, University of Peradeniya, Sri Lanka - ( 2010-2016 )