Seulki Choi is a professor at KDI School of Public Policy and Management. He received his Ph.D. and M.A. in Sociology from the University of North Carolina at Chapel Hill. He is a demographer studying on low fertility and future population issues. He is participating as a leader in Population Policy Lab at KDI School. He teaches 'Population and Development' 'Social Development and Policy' 'Introduction to Research Methods' and 'Population Challenges and Policy Responses (in Korean)'.

He is on leave. Currently he works as a Standing Commissioner of Presidential Committee on Ageing Society and Population Policy.