Ph.D., U of Illinois-Champaign, Department of Environmental Engineering, USA, 1987.10 M.S., U of Minnesota-Minneapolis, Department of Environmental Engineering, USA, 1983.12 B.S, Hanyang University, Department of Chemical Engineering, Korea, 1981.2

University activities 1987. 9 - Present Lecturer/Assistant /Associate/Professor of Environmental Science 2001. 4 - 2003. 4 Director, Institute for Environmental Studies 2001. 5 - 2003. 4 Member, Committee of International Relationship 2003. 2 - 2004. 12 Associate Dean, Graduate School of Education-Suwon Campus 2004.12- 2006. 8 Vice Head, Industry Academic Cooperation Foundation 2004.12- 2008. 9 Dean, Office of Research Affairs and University-Industry Cooperation 2006. 9 - 2008. 9 Head, Industry Academic Cooperation Foundation 2010. 7 - 2012. 7 Head, Industrial Liaison Research Institute 2011. 4 - 2013. 3 Member, Countermeasure Committee of Univ. Entrance Exam. Equity Control External activity 2000. 4 - 2000. 6 Jury, Judging Committee of 2000 Environmental Management in Korea, Institute of Mae-Kyung Safety and Environment & the Ministry of Environment. 2000. 5 - 2002. 4 Member, Committee of Environmental Policy, Kyonggi Province 2000.12- 2001.12 Member, Advisory Committee of Environment and Safety Management, Samsung Electric Company. 2001. 1 - 2002.12 Member, Judging Committee of Environmentally Friendly Company, Ministry of Environ. 2001. 2 - 2002. 2 Member, Committee of ISO/TC146, National Institute of Technology and Standard, Ministry of Industry and Resource 2001. 6 - 2003. 6 Member, Research Evaluation Committee, Ansan Environ. Technol. Development Center 2001.10 - 2002. 9 Member, Inquiry Committee of Construction Comprehensive Planning, Kyonggi-Province 2001.10 - 2002. 9 Member, Overall Committee of Key Environmental Technology Development Projects, National Institute of Environmental Research 2002. 3 - 2006.12 Member, Advisory Committee of Environment, Seoul Metropolitan Subway Corporation. 2002.10- 2004.9 Member, Research Council, Ansan Environmental Technology Development Center 2002.11 -2004.10 Member, Advisory Committee of Environmental Measurement Technology, Environmental Management Corporation 2003. 1 - 2006. 1 Member, Judging Committee of Environmentally Friendly Company, Kyung-In Environmental Office, Ministry of Environment 2003. 4 - 2004. 3 Member, Committee of Academic Research Evaluation, Korea Research Foundation. 2008. 2 - 2010. 2 Member, Support Team for Atmospheric Environ. Research in Seoul Metropolitan Area, National Institute for Environmental Research 2008. 4 - 2010. 3 Member, Advisory Committee of Environment Preservation, Suwon-City 2012. 4 - 2013. 3 Member, Advisory Committee of Environment Policy, Suwon-City 2013. 8 - 2015. 7 Member, Advisory Committee of Environmental Section in DS, Samsung Electric Com. y 2014. 3 - 2017. 2 Member of Board of Directors, Korean Foundation of Science and Technology Societies 2014. 7 - 2016. 7 Member, Supporting Committee of Investigation and Analysis, National Assembly Research Service 2015. 2 - 2017. 2 Member, Policy Advisory Committee of Air Quality Improvement in Seoul Metropolitan Area, Ministry of Environment 2015. 6 - 2018.2 Member, Committee of Environment, Korean National Council of Women 2016. 4 - 2017,3 Member, Gyeonggi Environmental Forum, Gyeonggi Province 2016. 6 Member of Specialist Group, Gyeonggi-Do Provincial Council

1987. 9 –Present Member, Korean Society of Atmospheric Environment 1990. 1 - 1998. 1 Director, Korean Air Pollution Research Association. 1990. 1 - 2002. 1 Member, Editorial Advisory Board, Korean Air Pollution Research Association (Present: Korean Society of Atmospheric Environment). 2004. 7 - 2006.12 Vice President/ Editor-in-chief, Korean Association for Particle and Aerosol Research 2008. 1 - 2009.12 Vice President/Editor-in-chief , Korean Society of Atmospheric Environment 2010. 1 - 2013.12 Chair, Committee for Fact-finding and Management of Air Pollution, Korean Society of Atmospheric Environment 2014. 1 - 2015.12 President, Korean Society of Atmospheric Environment

Air pollution control and management, receptor modeling, aerosol science and engineering, indoor aerosol source apportionment, subway air quality, big data treatment, AI and pattern recognition