Control theory and industrial applications; Systems biology by applying engineering principles to life science studies; Bio-inspired engineering by applying principles of life to engineering.

1999~2004 Assistant Professor, Dept. of Electrical Engineering, University of Ulsan
2002~2003 Visiting Professor, UMIST, U.K.
2003 Visiting Professor, Royal Institute of Technology, Sweden
2004 Invited Senior Scholar, Hamilton Institute, Ireland
2004~2007 Assistant Professor and then Associate Professor, College of Medicine, Seoul National University
2004~2007 Adjunct Professor, Interdisciplinary Program in Genetic Engineering & Interdisciplinary Program in Bioinformatics, Seoul National University
2004~2007 Adjunct Professor, Bio-MAX Institute, Seoul National University (Founding Faculty)
2006~2007 Advisory Board Member of the Presidential Committee on Healthcare Industry Innovation
2007~ Associate Professor and then Full Professor (with Tenure), Department of Bio and Brain Engineering, KAIST
2007~ Adjunct Professor, Department of Electrical Engineering & Graduate School of Medical Science, KAIST
2007~ Adjunct Professor, Interdisciplinary Program of Robot Engineering, KAIST
2008 Invited Visiting Professor, University of Oxford, U.K.
2009 Invited Visiting Professor, University of Glasgow, U.K.
2008~2009 International Committee Member of HFSP (Human Frontier Science Program), Strasbourg, France
2009~ Academic Board Member of the Korea Society for Bioinformatics and Systems Biology
2008~ Editor-in-Chief, Encyclopedia of Systems Biology (Springer, New York)
2009~ Editor-in-Chief, IET Systems Biology (IET, London)
2010~ KT Technical Advisory Group Member

1993 The Honour Prize by the Minister of Science and Technology, Korea
1998 The Scholarship for Young and Enterprising Researchers, Korea Research Foundation
2002 The Excellent Academic Activity Award, The Institute of Control, Automation, and Systems Engineers, Korea
2003 The Best Paper Award for a Young Scientist, The Institute of Control, Automation, and Systems Engineers, Korea
2006 Elected to the Senior Member of IEEE, The IEEE Engineering in Medicine and Biology Society, U.S.A.
2006 The Award for Excellent SCI Papers in 2005, College of Medicine & Hospital, Seoul National University, Korea
2008 IEEE/IEEK Joint Award for Young IT Engineer
2008 The Excellent Faculty Award of the Year 2008, College of Life Science and Bioengineering, KAIST, Korea.
2009 Technology Innovation Award, KAIST, Korea.
2010 International Activity Award, KAIST, Korea.
2010 Young Scientist Award, President of Korea.