· Associate Professor, Sungkyunkwan University2024–
· Postdoctoral Researcher, Georgia Tech2019–2020
· Intern, Fujitsu Laboratories of America2018–2018
· Research Assistant, Stony Brook University2014–2019
· Lecturer, Korea Internet & Security Agency2013–2013
· Lecturer, Korea Productivity Center2013–2013
· Doctor of Philosophy, Stony Brook University2013–2019
· Teaching Assistant, Stony Brook University2013–2017
· Security Researcher, Shinhan Bank2011–2012
· Master, Korea University2008–2010
· Assistant Manager, Samsung SDS2006–2011
· Bachelor of Science, Hanyang University1998–2005
· Assistant Professor, Sungkyunkwan University