Research professor at Ulsan National Institute of Science and Technology (UNIST) in Sustainable Process Analysis, Design, and Engineering (SPADE) group; South Korea. Current topics include but not limited to: Green NH3, Industrial P2G with optimized energy surplus utilization, Plastic and biomass integrated We-to-En systems, Biogas purification, Dry reforming, Intelligent systems for low energy carbon capture; Carbonate-based scrubbers and metal-CO2 batteries, Supercritical CO2 power cycles.