● 1993 – 2023: Professor, Department of Ecological Landscape Design, Jeonbuk National University
● 2019 – Present: CEO, Korean Vegetation Society
● 2015.04 – 2017.04: Vice President, Korean Society of Environmental Ecology
● 2019 – Present: Chair, Planning Division, Water Management Committee, Presidential Committee on Geumgang Watershed
● 2010.11 – Present: Member, UNESCO MAB Korea Committee
● 2012.06 – Present: Member, National Park Committee, Ministry of Environment
● 2009.10 – Present: Vice Chair, Cultural Heritage Committee, Jeollabuk-do
● 2009 – Present: Lecturer, Environmental Education & Promotion, Ministry of Environment
● 2017.03 – 2019.02: Advisor, National Ecological Institute
● 2014 – 2015: Advisor, CBD COP Advisory Committee, Gangwon Province
● 2012.03 – 2013.03: Design Review Subcommittee Member, Ministry of National Defense

● 2019: Conservation Plan, Incheon River Estuary Wetland, Gochang
● 2018: Flora Survey for Smart Farm Innovation Valley, Jeonbuk
● 2018–2019: Agricultural Water Supply & Wetland Vegetation Management, Yeongjeon Reservoir, Buan
● 2018–2019: Vegetation Monitoring, Deogyusan National Park Unused Ski Slopes
● 2018: National Flora Survey & Byeonsan National Park Natural Resource Survey
● 2017–2018: Jirisan National Park Vegetation Survey
● 2015–2017: Biotope Map Projects, Wanju & Gyeongho Engineering
● 2015–2015: Wetland Ecosystem Service Enhancement, Ungok Wetland, Saemangeum
● 2014–2015: Flora Survey & Conservation Plans, Gochang & Jeongeup Wetlands
● 2013–2014: Biotope Mapping, National Park Vegetation Mapping, Environmental Monitoring Projects
2011–2015: National Inland Wetlands & Park Impact Assessments

● 2019: Study on the Alien Plant Flora and Life Forms in Jindo-gun, Jeollanam-do, Korean Journal of Island Studies
● 2017–2018: Research on Habitats of Endangered & Rare Plants in Korea, Korean Society of Environmental Ecology
● 2015: Phytoremediation of Heavy Metals Using Miscanthus sp., International Journal of Phytoremediation
● 2013–2014: Vegetation Distribution Studies in Deogyusan & Odaesan National Parks

● 2017: Wetlands and Natural Resource Management in Jeollabuk-do, Daehaksa
● 2015: Forests and Culture of Jeonbuk, Sup & Munhwa
● 2012: Environmental Ecology – Conservation and Management of Ecosystems, Life Science
● 2009: Green Landscape Architecture, Moonwoondang
● 2007: Landscape Industry IV; Saline Wetland Vegetation and Ecological Restoration Planning
● 2007: Revised Edition, Modern Landscape Plants, Gwangil
● 2006: 21st Century Environmental Science
● 2004: Flora of Mangyeong River; Mangyeong River Ecological Guide, Daehaksa
● 2001: Environmental Science; Intro to Soil & Fertilizer, Seonjin Munhwa