University Level
• Deputy Proctor of the Faculty of Management for 2020
• Postgraduate Diploma Coordinator, Postgraduate Unit, Faculty of Management.
• Internship Coordinator, Department of Operations Management (2015 - 2018).
• Faculty Coordinator to ISO 14001 Implementation Program.
• A Volunteer Student Councillor of Faculty of Management (2015 - up to date).
• Academic Sub Warden, Ivor Jennings Hall (2015- up to date).
• Member of Physical Education and Sports Advisory Committee of University of Peradeniya (2015 - up to date).
• Member of Safety Committee of University of Peradeniya.
• A Member to the Editorial Board of the University Calendar 2018/2019

Faculty Level

• Postgraduate Diploma Coordinator – Postgraduate Unit, Faculty of Management (2019 – 2023).
• Deputy Proctor of the Faculty of Management for the year 2020.
• Tier 01 Faculty Representative for Criteria 03 of Institutional Review (2021-2023).
• Managing Editor – PMR (2022-2023). Chairman – Faculty Environmental Committee (2020-2023).
• Faculty Representative for the Committee on Sustainability of the University of Peradeniya (2022 -2023).
• Pillar Coordinator - Events Hub, Skills for Life Center (2022- 2023).
• Member to the Syllabus Revisions Committee of B.Sc. in Computation Management Degree Programme (2021-2023).
• Member of the Curriculum Development Committee (CDC) (2022-2023).
• Member of the Editorial Board- Faculty Working Paper Series (2022-2023).
• Member of the Faculty Research Committee (2021-2023).
• Team Member of Activity 03 – Faculty AHEAD Project (2020 -2023).
• Faculty Coordinator to ISO 14001 Implementation Program.
• A Volunteer Student Councillor of Faculty of Management (2015 -2022).

Department Level

• Department Representative to the Faculty Environmental Committee (2020 -2023).
• Activity 03 and 05 Coordinator – Department AHEAD Project (2020 -2023).
• Department Scholarship Committee Member (2020 -2023).
• Internship Coordinator, Department of Operations Management (2015 - 2018).

Supply Chain Management ,Quality Management and Lean Manufacturing

Journals

• Gunarathne, G.C.I., Weerasinghe, K.V., Thibbotuwawa, A. and Perera, H.N., (2022). “The Role of Suppler Switching Cost and Supply Chain Responsiveness” Journal of South Asian Logistics and Transport, 2(2).
• Priyashani LN & Gunarathne GCI (2021) “Impact of Green Supply Chain Management (GSCM) Practices on Organizational Performance of the Manufacturing Sector in Sri Lanka”. Vidyodaya Journal of Management of University of Sri Jayewardenepura, Sri Lanka Vol 7, Issue 1
• Senarath B.T.D.N, Gunarathne G.C.I, Fernando T.S.S (2020) “Impact of Total Quality Management on Operational Performance” Peradeniya Management Review, University of Peradeniya, Sri Lanka Vol 2, Issue 1
• Gunarathne GCI & Kumarasiri WDCKT & (2017) “Impact of Lean Utilization on Operational Performance: A Study of Sri Lankan Textile and Apparel Industry”.Vidyodaya Journal of Management of University of Sri Jayewardenepura, Sri Lanka Vol 3, Issue 1
• Kumarasiri WDCKT & Gunarathne GCI 2017 “Impact of Lean Utilization on Operational Performance: A Study of Sri Lankan Textile and Apparel Industry”.Vidyodaya Journal of Management of University of Sri Jayewardenepura, Sri Lankia, Vol 03, No 01.

• Gunarathne G.C.I, Thibbotuwawa A, Perera H.N (2021) “The Role of Suppler Switching Cost and Supply Chain Responsiveness”. 6th International Conference Research for Transport and Logistics Industry (R4TL) Sri Lanka
• Gunarathne GCI & Galahitiyawe NWK (2018) "An Analysis of Supplier Switching Cost and Supply Chain Flexibility in the Apparel Industry". International Conference on the Apparel Industry, Monash Business School, Monash University, Australia.
• Bandara UC & Gunarathne GCI (2018) "Impact of Perceived Ease of Use, Awareness and Perceived Cost on Intention to Use Solar Energy Technology in Sri Lanka". Academy of Global Business Advancement (AGBA) Conference, National Institute of Development Administration (NIDA), Bangkok, Thailand
• Perera RASA & Gunarathne GCI (2017) “Constructing Cause and Effect Diagram for Rework Issue in Apparel Industry in Sri Lanka”. 6 th International Conference of Sabaragamuwa University of Sri Lanka.
• Perera RASA & Gunarathne GCI (2015) “Potential for Earning Indirect Revenues from Manufacturing Process; Special Reference to Agro Entrepreneurs in Sri Lanka”. 3rd International Symposium of Rajarata University of Sri Lanka, Vol. I.
• Liyanage NP & Gunarathne GCI (2018), “The impact of green supply chain management practices on organizational performance”, 15th International Conference on Business Management (ICBM), University of Sri Jayewardenepura, Sri Lanka
• Bandara UC & Gunarathne GCI (2018) "Impact of Perceived Ease of Use, Awareness and Perceived Cost on Intention to Use Solar Energy Technology in Sri Lanka". Academy of global Business Advancement (AGBA) Conference, National Institute of Development Administration (NIDA), Bangkok, Thailand.
• Gunarathne GCI & Galahitiyawe NWK 2018 "An Analysis of Supplier Switching Cost and Supply Chain Flexibility in the Apparel Industry". International Conference on the Apparel Industry , Monash Business School, Monash University, Australia.
• Perera RASA & Gunarathne GCI 2017 “Constructing Cause and Effect Diagram for Rework Issue in Apparel Industry in Sri Lanka”. Sixth International Conference of Sabaragamuwa University of Sri Lanka.
• Perera RASA & Gunarathne GCI 2015 “Potential for Earning Indirect Revenues from Manufacturing Process; Special Reference to Agro Entrepreneurs in Sri Lanka”. Third International Symposium of Rajarata University of Sri Lanka, Vol. I.