Mr. Jangseok Choi

Jangseok Choi, known as JS Choi, serves as Corporate Vice President at Samsung Electronics Semiconductor, heading the Memory Product Planning Team. His responsibilities include overseeing the team, developing ecosystems, and enabling current and future memory products such as DRAM, NAND, HBM, SSDs, UFS, CXL, PIM, and automotive solutions.

A seasoned expert in memory technologies, JS Choi has led advancements in open standards through collaborations with organizations like JEDEC. As Chair of the DRAM Committee and leader of task groups for DDR3, DDR4, DDR5, and WideIO, he also co-founded Gen-Z and chaired the Open Memory Interface Working Group under the Open Power Foundation. For his contributions, he earned the JEDEC Technical Recognition Award in 2009 for establishing the DDR3 standard and the Outstanding Leadership Award in 2014 for guiding the DDR4 development process.

Over 25 years at Samsung, JS Choi has driven product and technology enablement for memory innovations, including DDR3, DDR4, DDR5, LPDDR3, LPDDR4, LPDDR5/LPDDR5X, CXL, and HBM. Previously, he specialized in high-speed memory design, focusing on Rambus DRAM, before transitioning to the product planning team to shape future DRAM solutions and expand their market reach.