KOREA WHO
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CEO of Samsung SDI
Choi Joo-sun
Engineer-Turned-Tech Expert Leads R&D and Customer Expansion for Product Diversification
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Last Updated on Mar 25, 2025
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CEO of Samsung SDI
Life Summary
Choi Joo-sun is the President and CEO of Samsung SDI.
He is accelerating research and development to diversify products. He is also focusing on expanding the customer base.
He was born on May 21, 1963.
He graduated from Daedong High School in Busan and the Department of Electronic Engineering at Seoul National University. He earned both his master’s and doctoral degrees in electronic engineering from KAIST.
He began his career at Hynix Semiconductor as a DRAM design researcher. He later moved to Samsung Electronics, where he worked as a principal researcher in the ATD team of the Memory Division.
He went on to serve as Head of DRAM Development at Samsung Electronics’ Memory Division and Head of North America for the Device Solutions (DS) Division, before being appointed President and CEO of the Large Display Business at Samsung Display in 2020.
In 2024, he was appointed President and CEO of Samsung SDI.
As a technology expert with an engineering background, he has been brought in as a 'relief pitcher' to overcome the chasm.
Within Samsung, he led the growth of both the semiconductor and display businesses.
He is a full member of the National Academy of Engineering of Korea and serves as the chairman of the Korea Display Industry Association.
Based on his management performance at Samsung Display, there are high expectations that he will also lead profitability recovery and technological innovation at Samsung SDI.
#ChoiJoosun #SamsungSDI #SamsungDisplay #semiconductor #displayindustry #R&D #KAIST #CEOleadership #KoreaTech #electronicsindustry
He is accelerating research and development to diversify products. He is also focusing on expanding the customer base.
He was born on May 21, 1963.
He graduated from Daedong High School in Busan and the Department of Electronic Engineering at Seoul National University. He earned both his master’s and doctoral degrees in electronic engineering from KAIST.
He began his career at Hynix Semiconductor as a DRAM design researcher. He later moved to Samsung Electronics, where he worked as a principal researcher in the ATD team of the Memory Division.
He went on to serve as Head of DRAM Development at Samsung Electronics’ Memory Division and Head of North America for the Device Solutions (DS) Division, before being appointed President and CEO of the Large Display Business at Samsung Display in 2020.
In 2024, he was appointed President and CEO of Samsung SDI.
As a technology expert with an engineering background, he has been brought in as a 'relief pitcher' to overcome the chasm.
Within Samsung, he led the growth of both the semiconductor and display businesses.
He is a full member of the National Academy of Engineering of Korea and serves as the chairman of the Korea Display Industry Association.
Based on his management performance at Samsung Display, there are high expectations that he will also lead profitability recovery and technological innovation at Samsung SDI.
#ChoiJoosun #SamsungSDI #SamsungDisplay #semiconductor #displayindustry #R&D #KAIST #CEOleadership #KoreaTech #electronicsindustry