SK海力士 SKHY

Mr. Bogun Jin currently serves as our Vice President and Head, Corporate Culture, leading talent and organization strategies. He previously served as our Head, Human Relations.

Mr. Donggyu Kim currently serves as our Vice President and Head, Corporate Strategy and Planning, managing our mid-to-long-term growth strategies and business portfolios. He previously served as our Head, Corporate Strategy and was responsible for business analysis.

Mr. Ju Seon Kim currently serves as our President and Head, AI Infra, overseeing global market and marketing strategies. Mr. Kim previously served as our Head, Global Sales and Marketing.

Mr. Sangrak Lee currently serves as our Vice President and Head, Global Sales, managing global sales and customer relationships. Mr. Lee previously served as our Head, the Americas Region.

Mr. Sunggon Jin currently serves as our Vice President and Head, Infra Tech. Center. He previously served as our Head, Thin Film Technology.

Mr. Woojin Choi currently serves as our Vice President and Head, Package and Test. Mr. Choi previously served as an officer of Package and Test.

Mr. Byoungki Lee currently serves as our Vice President and Head, Global Production, overseeing global production operations including the Yongin Cluster. Mr. Lee previously served as our Head, Manufacturing and Technology and was responsible for the Cheongju fab and the M15X project.

Mr. Dong Hui Son currently serves as our Vice President and Principal Accounting Officer. Mr. Son previously served as our Head, Finance and Business Administration.

Mr. Jaesoon Kwon currently serves as our Vice President and Head, Manufacturing and Technology, leading process technology and manufacturing innovation. Mr. Kwon previously served as our Head, Manufacturing and Technology and was responsible for Wuxi production technology.

Mr. Jin Soo Kang currently serves as our Vice President and Head, Growth Strategy, overseeing new business models and product planning. He previously served as Chief Operating Officer of Solidigm.

Mr. Tae Won Chey currently serves as our Chairman, providing guidance with respect to our long-term vision. He also serves as the Chairman of the SK Group, Representative Director and Chairman of SK Inc., and Chairman of SK Telecom and the Korea Chamber of Commerce and Industry.

Mr. Woo Hyun Kim currently serves as our Vice President and Head, Finance and Chief Financial Officer, overseeing the finance function including treasury, accounting and investor relations. He previously served as Head, Corporate Center at SK Broadband Co., Ltd. and Head, Strategy and Planning Group at SK Telecom Co., Ltd.

Mr. Yong Ho Jang was appointed to the Board on March 27, 2024. He currently serves as our Non-executive Director. Mr. Jang has an undergraduate degree in 1989 from Seoul National University. He is currently the President and Chief Executive Officer of SK Inc. He previously served as the President and Chief Executive Officer of SK siltron Co., Ltd.

Mr. Youjong Kang currently serves as our Vice President and Head, Procurement, managing global procurement and supply chain strategies. He previously served as our Head, Fab Raw Material Procurement and was responsible for the Japan region in AI Infra Global Sales and Marketing.

Mr. Choonhwan Kim currently serves as our Vice President and Head, Global Infra, managing infrastructure and manufacturing facilities of the Indiana fab project. He previously served as our Head, the Icheon fab and the Cheongju fab, respectively, and was responsible for the research and development process.

Mr. Chun Sung Kim currently serves as our Vice President and Head, Solution Development, managing solution product and technology development. Mr. Kim previously served as our Head, eSSD Product Development.

Mr. Hyun Ahn currently serves as our President and Head, Development, overseeing the overall development of memory and storage products. Mr. Ahn previously served as our Head, Solution Development.

Mr. Hyunjong Song currently serves as our President and Head, Corporate Center. Mr. Song previously served as Chief Strategy Officer at SK Telecom Co., Ltd.

Mr. Jong Hwan Kim currently serves as our Vice President and Head, DRAM Development, managing DRAM product and technology development. Mr. Kim previously served as our Head, Research and Development Technology Development.

Mr. Jung San Choi currently serves as our Vice President and Head, Global Quality and Reliability Assurance. He previously served as our Head, Mobile Quality Assurance.

Mr. Seungyong Doh currently serves as our Vice President and Head, Digital Transformation. He previously served as our Head, the Digital Transformation Project Management Office.

Mr. Sung Jin Yeum currently serves as our President and Head, Communication, leading corporate communication and corporate relations. He previously served as Head, the Business Support Office at the Korea Chamber of Commerce and Industry.

Mr. Woo Pyo Jeong currently serves as our Vice President and Head, NAND Development, overseeing NAND product and technology development. Mr. Jeong previously served as our Head, NAND Design and previously held NAND design positions at Intel Corporation.

Mr. Seonghwan Park currently serves as our Vice President and Head, Investor Relations. Mr. Park has consistently held Investor Relations positions.

Mr. Gahng Gook Choi was appointed to the Board on March 25, 2026. He currently serves as our independent director. Mr. Choi has a Bachelor of Laws degree in 1996 from Seoul National University, a Master of Laws degree in 1998 from Yale University and a Master of Laws in Taxation degree in 2001 from New York University. He is currently a Senior Advisor at Gaon Law Group. He previously served as a Managing Director at Ernst & Young and a Partner at PricewaterhouseCoopers.

Mr. Nohjung Kwak was appointed to the Board on March 30, 2022. He currently serves as our President and Chief Executive Officer. Mr. Kwak has an undergraduate degree in 1989, a master's degree in 1991 and a Ph.D. in 1994 from Korea University. He also serves as the Chairman of the Semiconductor Committee at the SUPEX Council at the SK Group. He previously served as the President of our Manufacturing and Technology Division and the Head, Technology and Development of our Cheongju fab.

Mr. Donghoon Yang was appointed to the Board on March 27, 2024. He currently serves as our independent director. Mr. Yang has an undergraduate degree in 1982 and a Ph.D. in 1996 from Sungkyunkwan University, a master's degree from the University of Iowa in 1990 and a Ph.D. in 1999 from Syracuse University. He is currently a Professor Emeritus of Accounting at Dongguk University. He previously served as a Distinguished Professor at the Korean Accounting Association and Samil PricewaterhouseCoopers.

Mr. Seon Yong Cha was appointed to the Board on March 25, 2026. He currently serves as our President and Head, Research and Development. Mr. Cha has an undergraduate degree in 1991, a master's degree in 1995 and a Ph.D. in 2000 in Electrical Engineering from Korea Advanced Institute of Science & Technology. He previously served as the Head, our DRAM Development Team.

Mr. Hyun Chul Sohn was appointed to the Board on March 27, 2024. He currently serves as our independent director. Mr. Sohn has an undergraduate degree in 1984 and a master's degree in 1986 from Seoul National University, and a Ph.D. in 1993 from the University of California, Berkeley. He is currently a Professor of Materials Science and Engineering at Yonsei University. He previously served as a semiconductor researcher at SK hynix.

Mr. Deog Kyoon Jeong was appointed to the Board on March 29, 2023. He currently serves as our independent director. Mr. Jeong has an undergraduate degree in 1981 and a master's degree in 1984 from Seoul National University, and a Ph.D. in 1989 from the University of California, Berkeley. He is currently an Emeritus Professor of Electrical and Computer Engineering at Seoul National University. He previously served as a Professor of Electrical and Computer Engineering at Seoul National University and the Chair of the Inter-University Semiconductor Research Center at Seoul National University.