Researcher/lecturer in "Aerodynamics" with over 20 years of research experience including the following.14 years of maintenance experience on 'Super Scout', 'Searcher MK II' and 'Blue Horizon' UAV Systems. Expert on aerodynamic optimization of unmanned aerial vehicles and high-performance wing design, fabrication and integration. Design and fabrication team lead of the 'Centenary X' ultra-light aircraft and 'Lihiniya MK I E' UAV. Author of the 'Don's Theory on Aerodynamic Lift' (New Aerodynamic Lift Theory - The vector sum of centripetal forces induced due to the circular motion of air molecules in non-turbulent streamlines around convex and concave surfaces of an aero foil is equal to the useful aerodynamic lift generated). Served as the Project Manager / Principal Designer and subject matter expert for the UAV R&D Program in the Sri Lanka Air Force under the Ministry of Defense.