- Carbon Management for Achieving Environmental Sustainability
- Waste Valorization in the Thermo-Chemical Process
- Resource Recovery through Biorefinery Platfrom

2008.05 ~ 2010.06 Post Doctoral Researcher, Columbia University
2010.10 ~ 2012.03 Senior Researcher, Research Institute of Industrial Science & Technology (RIST)
2012.04 ~ 2013.08 Chief Researcher, Research Institute of Industrial Science & Technology (RIST)
2013.09 ~ 2016.08 Assistant Professor, Sejong University
2016.09 ~ 2020.08 Associate Professor, Sejong University
2020.09 ~ 2022.02 Full Professor, Sejong University
2022.03 ~ present Full Professor, Hanyang University

2022 Highly Cited Researcher, Clarivate Analytics
2021 Highly Cited Researcher, Clarivate Analytics
2019 Excellence Prize, Doosan Yeon-Gang Environmental Academic Awards