SK Hynix Executive and Leadership Team

May, 2026

Leadership Overview

SK Hynix has 8 executives leading key functions including strategy, finance, technology, operations, information systems, and general management.

Driven by innovation, SK Hynix is dedicated to advancing the semiconductor industry, delivering essential memory and storage solutions that power global technology and foster diverse ancillary business ventures.

Leadership Roles at SK Hynix

  • President & Chief Executive Officer - Kwak Noh-Jung
  • Senior VP & General Manager & Chief Executive Officer, Semiconductor Storage, DL - Guangli Che
  • Chief Financial Officer - Jeong Oh
  • President - Seon Cha
  • President - Youngjoon Yoon
  • President, the Corporate Center - Hyun Song
  • Chief Technology Officer - Yongsoo Choi
  • Chief Information Officer & Vice President - Seong Hong
  • Kwak Noh-Jung - President & Chief Executive Officer

    Kwak Noh-Jung, the President & Chief Executive Officer at SK Hynix, directs the company's overarching strategy and global operations. This leadership role involves guiding the production and sale of DRAM, NAND flash, and SSDs, critical components for servers, mobile devices, and automotive systems. Noh-Jung ensures alignment across all business units, including construction, industrial materials, and ICT services, driving SK Hynix's market position in Korea, China, Asia, the United States, and Europe. The executive's focus remains on fostering innovation within semiconductor technology and expanding the company's reach into new markets. Kwak Noh-Jung's strategic vision shapes the company's response to evolving technological demands and competitive landscapes, ensuring sustained growth and operational excellence across its diverse portfolio.
    Kwak Noh-Jung

    Guangli Che - Senior VP & General Manager & Chief Executive Officer, Semiconductor Storage, DL

    Guangli Che, the Senior VP & General Manager & Chief Executive Officer, Semiconductor Storage, DL at SK Hynix, leads the strategic direction and operational execution for the company's semiconductor storage division. This executive oversees the development, production, and global distribution of SSDs and related storage solutions, vital for servers, PCs, and consumer electronics. Che's responsibilities span market expansion across Korea, China, the broader Asia region, the United States, and Europe, ensuring SK Hynix's storage products meet diverse customer needs. The executive's focus includes driving innovation in storage technology and optimizing supply chain logistics to enhance market competitiveness. Guangli Che's leadership ensures the semiconductor storage business contributes significantly to SK Hynix's overall revenue and technological leadership in the memory solutions sector.
    Guangli Che

    Jeong Oh - Chief Financial Officer

    Jeong Oh, the Chief Financial Officer at SK Hynix, manages the company's financial health and strategic investment initiatives. This role encompasses overseeing all fiscal operations, including budgeting, financial planning, and risk management, crucial for a global semiconductor manufacturer. Oh ensures robust financial controls are in place for operations spanning Korea, China, the broader Asia region, the United States, and Europe. The executive's responsibilities extend to managing capital allocation for research and development in DRAM and NAND flash technologies, as well as for ancillary businesses like construction and ICT services. Jeong Oh's financial acumen supports SK Hynix's expansion efforts and its commitment to delivering high-quality memory and storage products to diverse markets, including servers, PCs, and consumer electronics.

    Seon Cha - President

    Seon Cha, the President at SK Hynix, contributes to the company's strategic leadership and operational oversight. This executive role involves guiding key business functions and ensuring alignment with SK Hynix's mission to deliver advanced memory and storage products globally. Cha's focus includes driving performance across various divisions, supporting the production of DRAM, NAND flash, and SSDs for markets in Korea, China, the broader Asia region, the United States, and Europe. The executive's responsibilities may encompass fostering inter-departmental collaboration and ensuring adherence to quality standards in consumer electronics, automotive systems, and servers. Seon Cha plays a vital part in maintaining SK Hynix's competitive edge through effective management and strategic execution.

    Youngjoon Yoon - President

    Youngjoon Yoon, the President at SK Hynix, drives strategic initiatives and operational excellence across key business segments. This executive role focuses on enhancing SK Hynix's global market presence, particularly in the production and distribution of DRAM, NAND flash, and SSD products. Yoon oversees efforts to meet the demands of diverse sectors, including servers, mobile devices, PCs, and automotive systems, across regions such as Korea, China, the broader Asia region, the United States, and Europe. The executive's responsibilities include fostering innovation in memory solutions and optimizing manufacturing processes. Youngjoon Yoon's leadership is instrumental in navigating the complexities of the semiconductor industry and ensuring SK Hynix's continued growth and technological advancement.
    Youngjoon Yoon

    Hyun Song - President, the Corporate Center

    Hyun Song, the President, the Corporate Center at SK Hynix, directs critical functions that support the company's overall strategic objectives and operational integrity. This executive role involves overseeing central administrative and support services essential for a global semiconductor manufacturer operating in Korea, China, the broader Asia region, the United States, and Europe. Song's purview includes ensuring efficient business support services, building maintenance, and potentially managing certain investment activities and educational initiatives that align with SK Hynix's broader corporate goals. The executive's focus is on optimizing internal processes and resource allocation to bolster the production of DRAM, NAND flash, and SSDs, thereby reinforcing the company's market leadership.

    Yongsoo Choi - Chief Technology Officer

    Yongsoo Choi, the Chief Technology Officer at SK Hynix, spearheads the company's technological innovation and product development. This critical position drives advancements in DRAM, NAND flash, and SSD technologies, essential for powering servers, mobile devices, and automotive systems. Choi directs research and development efforts, ensuring SK Hynix maintains a competitive edge in the global semiconductor market across Asia, the United States, and Europe. The executive's mandate includes exploring next-generation memory solutions and optimizing manufacturing processes for efficiency and performance. Yongsoo Choi's technical leadership is fundamental to the company's ability to meet the evolving demands of consumer electronics and networking equipment, solidifying SK Hynix's reputation for cutting-edge semiconductor products.

    Seong Hong - Chief Information Officer & Vice President

    Seong Hong, the Chief Information Officer & Vice President at SK Hynix, directs the company's information technology strategy and infrastructure. This role is crucial for supporting global operations across Korea, China, the broader Asia region, the United States, and Europe, ensuring seamless data flow and system integration. Hong oversees the implementation of advanced IT solutions that enhance efficiency in semiconductor manufacturing, including DRAM and NAND flash production. The executive's responsibilities extend to managing cybersecurity measures and digital transformation initiatives, supporting ancillary businesses such as construction and ICT services. Seong Hong's leadership ensures that SK Hynix leverages technology effectively to drive operational excellence and maintain a competitive advantage in the dynamic semiconductor market.

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    Frequently Asked Questions Regarding SK Hynix Top Executives and Leadership Team

    Who leads SK Hynix?
    SK Hynix is led by Kwak Noh-Jung (President & Chief Executive Officer), along with executives such as Guangli Che (Senior VP & General Manager & Chief Executive Officer, Semiconductor Storage, DL) and Jeong Oh (Chief Financial Officer).
    Who is part of SK Hynix’s executive team?
    The executive team of SK Hynix includes leaders such as Kwak Noh-Jung (President & Chief Executive Officer), Guangli Che (Senior VP & General Manager & Chief Executive Officer, Semiconductor Storage, DL), Jeong Oh (Chief Financial Officer) and other senior executives.
    How many executives does SK Hynix have?
    SK Hynix has 8 executives leading key business areas.
    What roles are included in SK Hynix’s leadership team?
    The leadership team of SK Hynix includes roles such as President & Chief Executive Officer, Senior VP & General Manager & Chief Executive Officer, Semiconductor Storage, DL, Chief Financial Officer, President, President.