- Biomaterials
- Tissue Engineering and Regenerative Medicine
- Drug Delivery Therapy

1996 ~ 1998 Postdoctoral Research Associate, Univeristy of Maryland College Park
1998 ~ 1999 Research Assistant Professor, Univeristy of Maryland College Park
1999 ~ Present Assistant, Associate, Full Professor, POSTECH
2010 ~ Present Director, Biomaterials Research Institute (former, Marine Biomaterials Research Center)
2012 ~ 2015 SeAH Young Chair Professor, POSTECH
2015 ~ Present Co-CEO & CTO, Nature Gluetech Co., Ltd.
2017 ~ Present SeAH Chair Professor, POSTECH
2021 ~ Present Dean of Engineering, POSTECH
2022 ~ Present President, The Korean Society for Marine Biotechnology
2023 ~ Present President, The Korean Society for Glycoscience

2010 Prime Minister Commendation for Marine Day, Ministry of Land, Transport and Maritime Affairs
2017 Inventor of The Year, Minister of Knowledge Economy Department
2017 Korea Engineering Award, Korea President