LG Display
Assistant
Kyungbok University
Part-Time Lecturer
KCC Corporation
Researcher
Columbia University Medical Center
Postdoctoral Research Fellow
Kyonggi University
Visiting Professor
Republic of Korea Army
Sergeant
Yonsei University
Postdoctoral Researcher
The University of Texas at San Antonio
Visiting Researcher
Kyonggi University
Parttime Lecturer
Yonsei University
