Business Background
- 2022~Present: Chaiman, SK Telecom
- 2016~Present: Chairman & CEO, SK Inc.
- 2012~Present: Chaiman, SK Hynix
- 2011~Present: Chaiman, SK Innovation

Special Distinctions
- 2022~Present: Co-chair of World Expo 2030 Busan Bid Committee
- 2021~Present: Chairman, The Korea Chamber of Commerce & Industry
- 2020~Present: Vice President, Olympic Council of Asia
- 2018~Present: Chairman of the Board, Chey Institute for Advanced Studies

Education
- 1983, BA in Physics, Korea University
- 1989, PhD course completion, University of Chicago. Economics