- Supply Chain Management
- (Maritime) Logistics

1991 ~ 1992 Assistant Professor, National University of Singapore
1992 ~ 2012 Professor, Pusan National University
1998 ~ Present Professional Engineer (Factory Management)
2012 ~ Present Professor, Seoul National University
2015 ~ 2020 Director, Brain Korea 21 Plus
2018 ~ Present Fellow, Asia Pacific Industrial Engineering and Management Systems Society
2019 ~ 2020 23rd President, Korean Institute of Industrial Engineers
2019 ~ Present Board Member, International Foundation for Production Research
2021 ~ Present CRB, National Research Foundation of Korea
2023 ~ Present Editor-in-Chief, European Journal of Industrial Engineering (SCI)

2013 27th Junghun Grand Prize of Academic Achievements, Korean Institute of Industrial Engineering
2018 Excellence in Research Award, Seoul National University
2021 6th Lee Young Hae SCM Scholar Award, The Korean Society of Supply Chain Management