Crystal Plasticity including Superplastic Deformation and Forming Process

1969~1970 Engineer, Ilshin Industrial Co.(currently Dongbu Steel Co.)
1970~1973 Seargent, Korean Army
1973~1975 Reswarch Engineer, Korean Institute of Science & Technology
1975~1979 Research Assistant, Brown University
1979~1983 Research Associate, Cornell University
1983~1986 Assistant Professor, Michigan Technological University
1987~1992 Associate Professor, Pohang University of Science & Technology
1988~1994 Director of Metallic Materials, Pohang Research Institute of Industrial Science and Technology(RIST)
1989~1994 Head, Department of Materials Science & Engineering, POSTECH
1996~1997 Dean of Academic Affairs, POSTECH
2003~2004 President, Korean Society for Technology of Plasticity
2004~ Vice President, Korean Institute of Metals & Materials
1992~ Professor, Dept. of Materials Science & Engineering, POSTECH

1994 Best Paper Award, Korean Institute of Metals and Materials
1997 Yun Dongsuk Award, Korean Institute of Metals and Materials
2000 Best Paper Award, Korean Federation of Science & Engin. Society