- Academician of International Academy of Astronautics (IAA), 2018~ - Fellow, Asian Union of Thermal Science and Engineering (AUTSE), 2021~ - President, Stirling International Association, 2022~. - President, South East Asia Network on Aerospace Engineering (SANET), 2020~. - WORLD’S TOP 2% SCIENTISTS, 2022, named by STANFORD UNIVERSITY.

- Stirling Engines - Concentrating Solar Power Systems - Optimization of Thermal/Fluid/Energy Devices - Thermoelectric Coolers and Generators - Fuel Cells and Hydrogen Production