- Wearable electronics (transparent/flexible/stretchable electronics)
- Soft robotics
- Micro/nano-scale thermal engineering

2006~2009 Post-doctor, UC Berkeley, CA USA
2009~2013 Assistant & associate professor, KAIST
2013~ Professor, Mechanical Engineering, Seoul Nat’l Univ.
2017~ Adjunct Professor, Institute of Engineering Research, SNU
2019~2020 Visiting professor, UC Berkeley, CA USA
2021~ Co-founder, EasyAirs
2022 ~ Associate Dean School of Engineering, Seoul Nat’l Univ.
2022 ~ Associate Head, Institute of Engineering Research, SNU
2022 ~ Head, SNU Engineering Consulting Center, SNU

2022 Minister’s Award (Ministry of Science and ICT)
2022 Presidential Award (president of Korea)
2017 Minister’s Award (Ministry of Science and ICT)