Jiyun Lee, Ph.D.

Associate Professor of Aerospace Engineering 

Office : N7-2 #4305
E-mail :
Phone : 042-350-3725



  • Ph.D. Department of Aeronautics and Astronautics, Stanford University, 2005
  • MSE. Department of Aeronautics and Astronautics, Stanford University, 2001
  • MSE. Department of Aerospace Engineering and Sciences, University of Colorado at Boulder, 1999
  • B.S. Department of Astronomy and Atmospheric Sciences, Yonsei University, 1997



  • Navigation of aerospace and terrestrial vehicle systems
  • Integrity assurance for safety-critical systems
  • Remote sensing for atmospheric and space sciences



  • Global Navigation Satellite System (GNSS) augmentation systems
  • Integrity monitoring, fault detection, and fault isolation for safety-critical systems 
  • Robust guidance and navigation for Unmanned Aerial System (UAS)
  • Multi-sensor integrated navigation under GNSS-challenged environments 
  • GNSS ionosphere/atmospheric sounding and GNSS radio occultation  

Selected Honors and Awards

  • Institude of Navigation (ION) Best Paper Awards, 2003, 2004, 2016
  • U.S. Federal Aviation Administration (FAA) Recognition, 2008, 2013
  • Outstanding Teaching Award, AE department, KAIST, 2013, 2016
  • Outstanding Project Advisor Award, School of engineering, KAIST, 2010
  • FAA NAVTAC KUDOS Award, 2009

Selected Professional Activities

  • Technical Representative, Institute of Navigation (ION) Council, 2019-2020
  • International Technical Advisor of the Institute of Navigation (ION) Satellite Division, 2017-2018
  • Councilor of the Korean Society for Aeronautical and Space Sciences (KSAS)
  • Associate Editor, ION Navigation
  • Guest Associate Editor, IEEE Signal Processing Magazine
  • Associate Editor, Journal of KSAS
  • Editorial Board Member, Journal of Positioning, Navigation, and Timing
  • Editorial Board Member, Data
  • Editorial Board Member, Journal of Astronomy and Space Sciences 
  • Director of the Korea Navigation Institute (KONI)
  • Director of the Institute of Positioning, Navigation and Timing (IPNT)
  • Member of Research and Development Evaluation Committee for Korea Agency for Infrastructure Technology Advancement
  • Member of Satellite Radio Monitoring Committee for Ministry of Science and ICT
  • Member of Next-generation Navigation Safety Policy Coordination Committee for Ministry of Land, Infrastructure, and Transport
  • Member of SBAS Business Promotion Policy Committee for Ministry of Land, Infrastructure, and Transport
  • Member of Technology Consulting Committee for Korea Transportation Safety Authority
  • Member of Satellite Research and Development Advisory Committee for Korea Communication Commission (KCC)
  • Member of eLoran Development Advisory Committee for Ministry of Oceans and Fisheries 

Professional Society Memberships

  • Institute of Navigation (ION)
  • Institute of Electrical and Electronics Engineers (IEEE)
  • American Geophysical Union (AGU)
  • American Institute of Aeronautics and Astronautics (AIAA)