- Visiting professor of University of Seoul
- Worked in Seoul Metropolitan Government
ㆍ’18.01 ~ ‘18.06 Director, Safety Management Headquarters
ㆍ’15.07 ~ ‘17.12 Director, Urban Infrastructure Headquarters
ㆍ’15.01 ~ ‘15.06 Vice Director, Office of Waterworks
ㆍ’12.01 ~ ‘13.06 Director, Facility Safety Bureau, Urban Safety Office
ㆍ’09.01 ~ ‘10.03 Director, Road Management Bureau, Urban Transportation Headquarters

· Deputy Mayor of Safety Management Office Seoul Metropolitan Government (SMG) (Jul.2020-Present)
· Deputy Mayor of Seoul Metropolitan Infrastructure Headquarters, SMG (Jul.2018 -Jun.2020)
· General Director of Water Circulation Safety Bureau, SMG (Aug.2015.-Dec.2017)

· Practice Manager for the World Bank East Asia and Pacific Region
· Head of the Global Facility for Disaster Risk Management (GFDRR) until June 2018
· Known for his leadership on several flagship initiatives, including the establishment of Caribbean Catastrophe Risk Insurance Facility (CCRIF), the Central America Probabilistic Risk Modeling Initiative, and the Understanding Risk Forum (UR)

· Head of the Smart London Team based in the Greater London Authority in the UK.
· Programme Director for Sharing Cities, a pan-European programme that tests out innovative smart city solutions across a number of major European cities, replicating and scaling what works through new business and investment models.
· 15 years’ experience across a range of public sector bodies having led on major service design and commissioning projects within London and at a European level.

· Participated in the various national projects and researches on spatial policy support systems of housing and urban development for the Ministry of Land, Infrastructure and Transport of Republic of Korea in Korea Land and Housing corporation(LH)
· worked as a staff secondent in Safer Cities Programme, UN-Habitat in 2018. In 2020, he joined at the department of smart city research of the Seoul Institute of Technology as a research fellow

· Minister of Public Space and Urban Hygiene, CABA (2020-Present)
· Undersecretary of Pedestrian Roads - Ministry of the Environment and Public Space-CABA (2017-2019)
· Undersecretary for the Use of Public Space - Ministry of the Environment and Public Space-CABA (2016-2017)

· Commander of Civil Protection Municipal Service and Local Police in Amadora since 2014.
· Local Focal Point(Amadora) and the National Advocate(Portugal) for “Making Cities Resilient Campaign” UNISDR (United Nations International Strategy for Disaster Reduction)