○ 1984. 2 Hanyang University (B.S., Mechanical Engineering)
○ 1987. 2 Hanyang University (M.S., Precision and Mechanical Engineering)
○ 1991. 8 Hanyang University (Ph.D., Nondestructive Evaluation)

1995 - Present Professor, Department of Mechanical & Automotive Engineering
Seoul National University of Science and Technology
2006 - Present Dean of Nondestructive Evaluation Lab. Center,
Seoul National University of Science and Technology
2002 - 2003 Visiting Scholar, Dept. of Engineering Science & Mechanics,
2008 - 2010 The Pennsylvania State University, PA, USA
2004 - Present The Korean Society for Nondestructive Testing(KSNT), Vice-chairman, Director, General Secretary
2010 - Present Ministry of Science, ICT and Future Planning(MSIP), Consultant Committee(Science and Technology,
Nuclear power field)
2001 - Present Ministry of Trade, Industry & Energy(MOTIE), Industrial Standards Council, Expert Member
2001 - Present Korean Agency for Technology and Standards, ISO TC 135, Expert Member
2010 - Present Korea Electric Association, Chairman(NDT subcommittee)
2001 - Present Korea Electric Association, Korean Electric Power Industry Code,
Vice-chairman(NDT subcommittee)
2010 - Present Korea Institute of Energy Technology Evaluation and Planning, Technical/Planning Committee
2008 - Present Korea Fire Institute, Technical Committee
2003 - Present Asia Pacific Conference on Non-Destructive Testing, Organization Committee
2005 - Present Conference of Advanced Non-Destructive Evaluation , Organization Committee

2013 - Present Development of the GHz-Acoustical Microscopy System with Ultra High Resolution for precision
diagnosis on Hidden Damage of Micro/Nano Structure, National Research Foundation of Korea
2013 - Present Reliability Verification of Quantitative Nondesdructive Evaluation(NDE) for a Nano-Scaled Thin
Film System with Ultra-High Frequency Hybrid coustic Imaging(HAI) Technique, National Research Foundation
of Korea
2011 - Present Quantitative Nondestructive Evaluation(NDE) for Early Accurate Diagnosis of Dissimilar Welds
Residual Stress with Acousto-Optics Visualization Techniques, National Research Foundation of Korea
2010 - 2013 Quantitative Nondestructive Evaluation(NDE) for Adhesion Strength of a Nano-Scaled Thin Film System
with Ultra-High Frequency Hybrid Acoustic Imaging(HAI) Technique, National Research Foundation of Korea
2008 - 2013 Development of Techniques for Evaluating Physical Properties and flaws of the surface and subsurface
using UAFM(Ultrasonic Atomic Force Microscopy), National Research Foundation of Korea