Terabit nonvolatile memory-cell, Nano-based solar cell, nano-particle engineering

1985~1998 Senior Manager, Material Technology Group, Samsung Electronics
1999~ Prof, Dept. of Electronic Engineering, Hanyang Univ.
2002~2007 Head, National Research Laboratory for nano SOI process supported by Korean Ministry of Science & Technology
2003~ Representative in ASIA, SiWEDS Center
2004~ Cheap Director, National Program for Terabit Non-volatile Memory Development Sponsored by MKE
2007~ Committee member, “National Business for Strategic Technology Development in Semiconductor” Korea Ministry of Knowledge Economy
2007~ Advisory Committee member of Electric and Electronics in Committee on Protection of Industrial Technology, Korea Ministry of Knowledge Economy
2007~ Advisor Committee, “National Strategic Technology Advisory Committee”, Korea Ministry of Science & Technology
2008~ Candidate member, National Academy of Engineering, Korea
2008~ Steering Committee member, National Science & Technology Council, Korea
2008~ Head, National Research Center for High Speed Device & Cap-less Memory
2008~ President, Industry-University Cooperation Foundation of Hanyang University /Dean, University Research of Hanyang University / Dean, Hanyang Institute of technology
2010~ Chair, Expert Committee of Intellectual Property, Ministry of Education, Science and Technology
2010~ Advisory Committee member of Intellectual Property Policy Council, Prime Minister's staff

2003 Gyeonggi-do governor award
2004 100 future leader award in Korea by Korean newspaper society
2004 Superior patent award(2nd grade), presented by government minister of Korean Industry and Resource
2005 Best scientists of month award, presented by government ministry of science and Technology
2009 Young Engineer Award National Academy of Engineering
2009 Best Researcher Award in Technology Transfer, Korean Intellectual Property Office
2009 Top 100 National Superior Research Performance Award 2009, Ministry of Education, Science and Technology
2010 Nok Jo Geun Jung Medal, President of Korea