– Department of Agricultural and Environmental Biology, The University of Tokyo: Postdoctoral Researcher (2004-2006), Project Assistant Professor (2006-2007), Assistant Professor (2007-2013)
– Department of Bioindustry and Bioresource Engineering, Sejong University: Research Professor (2013-2018), Assistant Professor (2018-2023)
– Academic Advising Center, Seoul National University: Academic Advisor (2024-Present)