• Faculty Specialization selection committee - Member 2021
• Chairman - Business Forum at iPUMSE 2021
• Faculty Internship Committee - Member - 2021 upto date
• Coordinator - Department SORT session - 2016-2021
• Member of Department AHEAD Team - 2019 upto date
• Chairperson- Faculty Specialization selection Committee - 2020
• MBA coordinator- Faculty Higher Degree Committee - 2020/2021
• Activity 01 coordinator - Faculty AHEAD project - 2020 onwards
• QAC coordinator to the postgraduate unit - Faculty Higher Degree Committee - 2020
• Faculty Student admission & requests Committee - Member-2020 upto date
• Faculty Curriculum revision Committee – Member - 2020 upto date
• Faculty Corporate plan Committee – Member - 2020 upto date
• Good acceptance committee-AHEAD project - Member- 2020 upto date
• Selection committee for consultancy- AHEAD project - 2019-2021
• Faculty Quality Cell – Member - 2018-2021
• Volunteer Student Councilor, Faculty of Management, University of Peradeniya (2016-to date)
• Chairman- Faculty Students Affairs Committee, Faculty of Management, University of Peradeniya., Sri Lanka - 2022-2024

• Passed finalist of Chartered Institute of Management Accountants (CIMA - UK)
• Member of Charted Institute of Logistics and Transport (CILT)

Operations Management, Lean Manufacturing, Product Designing, Agile Manufacturing Supply Chain Management, Sustainable Operations.

• Lean manufacturing approach for reducing non value adding activities: a case study- Abstract Publication at I purse 2016- Peradeniya University International Research Session
• Model for Implementation of Lean manufacturing concepts and techniques- Abstract Publication at Postgraduate Institute of Humanities and Social Sciences PGIHS Annual Research Congress 2017
• Model for empirical studies on implementation of Lean manufacturing concepts and techniques- Full Paper Publication at 6th International Conference of Sabaragamuwa University ICSUSL 2017
• Aryarathne SP, Katuwandeniya IM & Bandara A.M.A.S.M (2018), “Exploring the Challenges in Implementation of Lean Manufacturing in Apparel Industry, Sri Lanka”, Production and Operations Management Society (POMS), Kandy Sri Lanka
• Lean Manufacturing Approach for Reducing Non-Value Adding Activities: A Case Study- PROCEEDINGS OF THE STAFF OF OPERATIONS MANAGEMENT RESEARCH TALKS (SORT)-2020
• S.P Aryarathne, N,W,K Galahityawe; Full paper publications of  "The mediating effect of organizational learning on the relationship between lean manufacturing practices and operational performances" at International Conference on BusinessManagement (ICBM) , 2020
• I.A.S.P Perera, S.P Aryarathne; Full paper publications of "Reasons for the deviation in the final pre production completion in Apparel Industry: Case Study"   at International conference on BusinessManagement (ICBM) , 2020
• J Thamilnila , S.P Aryarathne -Impact of Lean Manufacturing Practices on Waiting Time of Patients in Outpatient Department (OPD): A Study in the Sri Lankan Public Healthcare Industry. International Journal of Scientific Research and Management (IJSRM), Volume 12, Issue 05
• J Thamilnila , S.P Aryarathne -Impact of Lean Manufacturing Practices on Waiting Time of Patients in Outpatient Department (OPD): A Study in the Sri Lankan Public Healthcare Industry. 8th Conference SLACJ- Organized by the Association of Sri Lankan Academics in Japan-2024
• S.P Aryarathne - of Lean Manufacturing Practices on Operational Performance: A Study in Sri Lankan Apparel Sector, Peradeniya Management Review, Vol 2, Issue 2-2021