Dr. Nimal Chandrasena - Graduated in 1985, known for his contributions to environmental science and weed management.
Prof. Mohan Munasinghe - Nobel Peace Prize laureate in 2007 as part of the Intergovernmental Panel on Climate Change (IPCC), though he is more widely recognized for his work with the University of Moratuwa, he also studied at the Open University of Sri Lanka.
Dr. Ranjith Senaratne - Graduated in 1992, a prominent figure in the field of agriculture and former Minister of Agriculture in Sri Lanka.
Dr. Anura Manatunga - Graduated in 1988, known for his work in archaeology and cultural heritage management.
