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  • Dean 
    • The College of Creativity and Convergence Studies
    • Seoul National University of Science & Technology, Seoul, Korea
    • 08/2024-present
  • Professor 
    • Dept. of Semiconductor Engineering
    • Seoul National University of Science & Technology, Seoul, Korea
    • 02/2022-present
  • Professor
    • Graduate School of Nano-IT-Design (NID) Fusion
    • Seoul National University of Science & Technology, Seoul, Korea
    • 09/2007-02/2022
  • Dean 
    • Graduate School of Nano-IT-Design (NID) Fusion
    • Seoul National University of Science & Technology, Seoul, Korea
    • 08/2014-01/2016
  • Technical Advisor/Major share holder, developed Memory Chip Functional Tester
    • Coretek Inc, Seoul, Korea
    • 12/2010-05/2014
  • Technical Advisor/Major share holder, developed Memory Chip Functional Tester
    • Ateko Inc, Seoul, Korea
    • 12/2010-05/2014
  • Founder, developed power converter and drive for electric vehicle and UPS applications 
    • Xerochem Inc., Seoul, Korea
    • 12/2008-05/2014
  • Principal Eng., responsible for LCD Display Panel Circuit Design 
    • SAMSUNG ELECTRONICS, LCD R&D Center, Kiheung, S.Korea
    • 10/2006-08/2007
  • CTO/Founder, developed RTOS for mobile application, MasRTOS and MasLinux
    • Master Solution Inc. Vancouver, BC, CANADA (Acquired by the Eastar Air Jet Group)
    • 10/2001-06/2006
  • Visiting Professor, responsible for SoC design for Bluetooth Baseband Controller
    • ECE, Univ. of British Columbia, Vancouver, BC, CANADA
    • 08/2001-02/2003
  • Visiting Professor, gained proficiency in SoC design tools
    • ECE, Virginia Poly Tech., Blacksburg, VA, USA
    • 01/2001-07/2001
  • Visiting Professor, gained proficiency in SoC design tools
    • ECE, Univ. of Utah, Salt Lake City, Utah, USA
    • 06/1999-09/1999
  • Professor
    • School of Applied Science. Nanyang Technological University, SINGAPORE
    • 02/1998-02/2001
  • Research Eng.II, responsible for large area substrate micro-electronic packaging
    • PRC, Georgia Institute of Technology, Atlanta, GA, USA
    • 01/1997-12/1997
  • Research Eng. (including Ph.D. Internship), developed Cu/Low-K multilevel interconnection
    • SPDC, Texas Instruments Inc. Dallas, TX, USA
    • 06/1994-12/1996
  • Research Assistant, developed Cu/Low-K multilevel interconnection
    • CIE Rensselaer Polytechnic Institute, Troy, NY, USA
    • 05/1993-09/1996
  • Research Assistant
    • Materials Dept. Columbia Univ., NYC, NY. USA
    • 01/1992-05/1993
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