# Nakyang Seong

> Nakyang Seong is co-CEO of HS Hyosung Advanced Materials, with a career spanning chemical trading, McKinsey, Accenture, Yahoo Korea and Doosan Dong-A. He joined Hyosung in 2018 and became a representative director of its advanced-materials company in September 2024. His public work in 2026 includes a patent-dispute settlement with Kolon Industries and an investment memorandum for a Mexican production base.

- **Role:** Co-CEO and representative director at HS Hyosung Advanced Materials
- **Organizations:** HS Hyosung Advanced Materials, Hyosung Corporation, SCEABIQ Inc., Doosan Glonet, Doosan Dong-A, Doosan Publishing, Yahoo Korea, Accenture Korea, McKinsey & Company, Samsung Corporation
- **Education:** Bachelor’s degree, Yonsei University, MBA, University of California, Berkeley, Haas School of Business
- **Known for:** Established a dedicated digital-content team at Doosan Dong-A; during his leadership, the Prime dictionary app passed one million cumulative downloads by the end of 2011 and reported cumulative sales over ₩20 billion in July 2012., Received the Prime Minister Award for Meritorious Service on Information in June 2006, according to his 2012 Global HR Forum biography., Received a Doosan Group Special Award for Management Excellence in February 2012, according to the same forum biography.

## Career timeline

- **1990–1993** — Worked in Samsung Corporation’s chemical business.
- **1996–1999** — Senior associate in McKinsey & Company’s Seoul strategy practice.
- **1999–2004** — Managing director and global partner at Accenture Korea.
- **2004–2005** — Joined Yahoo Korea in an operating leadership role.
- **2005–2007** — CEO of Yahoo Korea.
- **2007–2008** — Head of Doosan Publishing business group.
- **2008–2013** — CEO of Doosan Dong-A; the 2012 forum biography dates the CEO appointment to October 2008.
- **2012–2014** — CEO of Doosan Glonet, initially alongside his Doosan Dong-A responsibilities.
- **2015–2018** — CEO of SCEABIQ Inc., according to the March 2025 exchange disclosure.
- **2018–2024** — Head of Hyosung Corporation’s Management Innovation Office; joined in June 2018.
- **2024-09** — Elected internal director on September 6; appointed representative director by the board on September 7 at HS Hyosung Advanced Materials.
- **2025-03** — Continued as co-CEO when Jindal Lim replaced Yong-soo Cho as the other representative director.
- **2026-03** — Internal-director term renewed from March 20, 2026 through the regular shareholders’ meeting in 2028.

## Achievements

- Established a dedicated digital-content team at Doosan Dong-A; during his leadership, the Prime dictionary app passed one million cumulative downloads by the end of 2011 and reported cumulative sales over ₩20 billion in July 2012.
- Received the Prime Minister Award for Meritorious Service on Information in June 2006, according to his 2012 Global HR Forum biography.
- Received a Doosan Group Special Award for Management Excellence in February 2012, according to the same forum biography.
- Co-authored books listed in his 2012 forum biography concerning management solutions (2000) and CEOs’ reading recommendations for children (2005).

## Latest updates

- **2026-09** — Participated in the September 25 Mexico City signing of HS Hyosung’s investment MOU with San Luis Potosí; phased investment in an advanced-materials production base is planned from 2027.
- **2026-03** — The Korean corporate-governance page records an internal-director term from March 20, 2026 through the regular shareholders’ meeting in 2028.
- **2026-02** — Attended the February 13 agreement with Kolon Industries to withdraw ongoing patent-related lawsuits in South Korea and the United States.

## Links

- Website: https://www.hshyosungadvancedmaterials.com/
- LinkedIn: https://www.linkedin.com/in/nakyang-seong-6794966

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Profile page: https://yespress.io/nakyang-seong
Published by YesPress — https://yespress.io
Last updated: 2026-10-23