07 /2014 – present       Associate Professor
                                         Department of Convergence Medicine, University of Ulsan College of
                                         Medicine and Asan Institute for Life Science, Asan Medical Center, Seoul, South Korea

09/2015 – 09/2016        Visiting Professor
                                         The Rolf Luft Research Center for Diabetes and Endocrinology
                                         Karolinska Institute and Karolinska University Hospital, Stockholm, Sweden

09/2013 – 06/2014       Senior Researcher
                                         Korea Basic Science Institute (KBSI) Daejeon, South Korea

09/2009 – 06/2013       Research Fellow in Department of Dermatology 
                                         Harvard medical school (HMS), Boston, USA

03/2012 – 08/2012       Senior Researcher (Dispatched)
                                         Graduate School of Nanoscience and Technology
                                         Korea Advanced Institute of Science and Technology (KAIST), South Korea

09/2009 – 08/2012       Research Fellow (Joint-appointment) in Wellman center for photomedicine
                                         Massachusetts General Hospital (MGH), Boston, USA

06/2008 – 07/2009       Postdoctoral fellow in Fraunhofer Institute
                                         for applied optics and precision engineering (IOF), Jena, Germany

03/2008 – 08/2009       Researcher (Joint-appointment) in Natural Science Research Institute
                                         Yonsei University, Seoul, South Korea

09/2006 – 02/2008       Research associate in Institute of physics and applied physic
                                         Yonsei University, Seoul, South Korea                                                                                   

09/2004 – 02/2008            Ph. D. in Information & Communications Engineering,
                                             Gwangju Institute of Science and Technology (GIST), South Korea
                                             Adviser : Prof. Byeong Ha Lee
                                             Dissertation : Micro-optic beam shaping using organic-inorganic hybrid submicron structure over optical waveguide.

03/2003 – 08/2004            M.S. in Information & Communications Engineering,
                                              (The early graduation of excellent students)
                                              Gwangju Institute of Science and Technology (GIST), South Korea
                                              Adviser : Prof. Kyunghwan Oh
                                              Thesis : Achievement of wideband collimator based on the organic-inorganic hybrid connection using UV-curable polymer lens.

03/1996 – 02/2003            B.S. in Aviation Electronic Engineering,
                                              Korea Aerospace University, South Korea.
                                              Adviser : Prof. Kangwoong Lee
                                              (including the period of the mandatory military service, 10/1996-12/1998)      

05/2022                             Academic Award of BioChip Journal – Best Paper Award (The Korean BioChip Society)
12/2019                             Best Researcher Award for the year 2019
                                            (University of Ulsan College of Medicine)
2018                                   2018 Albert Nelson Marquis Lifetime Achievemnet Award
                                            From Marquis Who’s Who publications, News Communications, Inc., USA
2017                                   Marquis Who’s Who in the World
                                            From Marquis Who’s Who publications, News Communications, Inc., USA
10/2009 – 09/2010           National research fellowship for next-generation academic researchers
                                            from  National Research Foundation (NRF), Ministry of Education,
                                            Science and Technology in Korean government
02/2009                             Excellence paper award in Optical Society of Korea Winter Meeting 2009,
                                            paper T2C-III2, Seoul, Feb, 2009
07/2008                             Excellence paper award in Optical Society of Korea Summer Meeting 2008,
                                            paper T1F-III3, Pyeongchang, July, 2008.
05/2008                             Excellence paper award in 15^th Conference on Optoelectronics and Optical
                                            Communications, paper T1D-2, Pusan, May, 2008.
04/2008 – 05/2009           Research fellowship of German Academic Exchange Service,
                                            DAAD (Deutscher Akademischer Austausch Dienst) from German government
05/2007                             Excellence paper award in 14^th Conference on Optoelectronics and Optical
                                            Communications, paper T2D-4, Jeju, May, 2007.
09/2004 – 02/2008           Full government scholarship (Ph.D. program),
                                            Gwangju Institute of Science and Technology (GIST)
03/2003 – 08/2004           Full government scholarship (M.S. program),
                                            Gwangju Institute of Science and Technology (GIST)
09/1999 – 02/2003           Departmental Scholarship from Jungseok foundation,
                                            Korea Aerospace University

09/2015 – 12/2016            Karolinska Institute and Karolinska University Hospital
                                             Rolf Luft Research Center for Diabetes and Endocrinology
                                             Stockholm, Sweden
06/2015 – 05/2017            IHMRI (Illawarra Health and Medical Research Institute)
                                             School of Medicine, University of Wollongong
                                             Department of Medicine / Biomedical Engineering, Wollongong, Australia
03/2015 – 02/2016            Georgia Tech and Emory University
                                             Department of Medicine / Biomedical Engineering, Atlanta, USA
11/2014 – 11/2015            Samsung Advanced Institute for Health Science and Technology
                                             Cognitive Neuroscience and Dementia Laboratory, Seoul, Korea
04/2011 – 01/2012            Center for regeneration medicine,
                                             Harvard Medical School, Rajagopal Laboratory,Boston,USA
03/2010 – 01/2012            CSIBD (Center for the Study of Inflammatory Bowel Disease),
                                             Harvard Medical School, Mizoguchi Laboratory, Boston,USA
03/2010 – 12/2011            CCIB (Center for Computational and Integrative Biology),
                                             Harvard Medical School, Brian Seed group, Boston,USA
10/2008 – 07/2009            IAP (Institute of Applied Physics), Friedrich-Schiller University
                                                   Fiber and Waveguide Lasers group, Jena, Germany
06/2008 – 09/2010            IPHT (Institute of Photonic Technology), Friedrich-Schiller University
                                                    Optical Fibers and Fiber Applications group, Jena, Germany
09/2006 – 09/2010            APRI (Advanced Photonics Research Institute)
                                                    Precision Optics Laboratory,  Gwangju, Korea
03/2005 – 02/2006            Shinhan Photonics Co., Ltd.
                                                    Fabrication of optical devices using coupler machine, Gwangju, Korea
09/2003 – 02/2008            Luvantix Co., Ltd.
                                                    Low refractive index material development and coating, Ansan, Korea

• Lifetime Member of SPIE (International Society for Optics and Photonics)
• Member of IEEE (International Electrical Electronics Engineering)
• Member of OSA (Optical Society of America)
• Member of INSTICC (Institute for Systems and Technologies of Information, Control and Communication)
• Member of OSK (Optical Society of Korea)
• Served as a reviewer for
  

  i) Optical Society of America (OSA) – Optics Letters, Optics Express, Biomedical Optics Express
  ii) IEEE – Photonics Technology Letter(PTL), Journal of Lightwave Technology(JLT),
      Journal of Selected Topics in Quantum Electronics(JSTQE), Journal of Display Technology (JDT)
      Transactions on Biomedical Engineering
  iii) Elsevier – Optics Communications, Optical Fiber Technology,
       Optics and Laser in Engineering, Optical Materials
  iv) Wiley – Journal of Biophotonics
  v) Bio / Medical Journal – Biochemistry & Molecular Biology Report(BMB Report),
      Biomedical Engineering Letters(BMEL), Oncotarget

• Served as an Editor for
  

  i) Guest Editor for Special Issue “Optical Sensing for Biomedical Applications”
      – Electronics (IF 1.764), MDPI

• Scientific board member for the organizing committee of 14th international photodynamic association, 2013
• Technical adviser to the KIBO (Korea Technology Finance Corporation) (2013.10.09 ~ present)
• Expertise consultant to the KOSEN (The Global Network of Korean Scientists & Engineers) (2012.10.01 ~ present)
• Evaluation committee member to the IITP (Institute for Information & Communications Technology Promotion) under the Ministry of Science, ICT and Future Planning, Korea (2016.08.02 ~ present)
• Evaluation committee member to the NIPA (National IT Industry Promotion Agency) under the Ministry of Science and ICT, Korea
• Planning and Evaluation committee member (Fusion Bio devices / Optics / MEMS) to the Ministry of Trade, Industry and Energy, Korea (2015.06.02~2019.12.31)
• Expert committee member of Medical Device committee to the Ministry of Food and Drug Safety (MFDS), Korea (2017.06.05~2019.06.04)
• Mentoring Expert committee member of “Next generation medical device 100 project” in Medical Device committee to the Ministry of Food and Drug Safety (MFDS), Korea (2018.01.01~2019.12.31)
• Evaluation committee member to the TIPA (Korea Technology & Information Promotion Agency for SMEs), under the Ministry of SMEs and Startups, Korea (2020.11.12~2022.11.12)