Secretary, Sri Lanka
Zoysa is Managing Director of Mincraft Company also a member of the Congress Committee and Communications Committee of the International Colored Gemstone Association (ICA), as well as serving as the organization's Ambassador to Sri Lanka. He serves as Executive Committee Member of the Sri Lanka Gem & Jewellery Association and is a former President and current Executive Committee Member of the Gemmologists Association of Sri Lanka (GASL).
He is also board member for the International Gemmological Conference (IGC). Zoysa holds a Master's Degree in Geology from the University of Moscow and Doctorate in Mineral Exploration from Delft University, Netherlands and is an FGA (Gem-A) and G.G. (GIA) gemological graduate.