1. Department of Agribusiness Management, Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, Gonawila (NWP), Sri Lanka
2. Deputy Director of Ministry of Education (Research and Innovation Section), Sethsiripaya Stage I, Battaramulla, Sri Lanka
3. Director, National Institute of Fundamental Studies, Kandy, Sri Lanka
4. Department of Statistics & Computer Science, Faculty of Science, University of Peradeniya, Peradeniya, Sri Lanka