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South Korea

Headquarters and homeland of TYM. Focused on the Korean market.

North America

For the US and Canadian market, with regional headquarters in North Carolina.


Global coverage and support for Europe, Africa, Asia, Oceania and South America.

Board of Directors

At TYM, our governance structure is guided by the sustainability values that define our character and culture. Dedicated, sharp and creative people are part of our company, who continue to power its success today. We foster a culture that celebrates diversity, encourages entrepreneurialism, rewards integrity and demands excellence.

See the internal directors behind the implementation and continuous improvement of sustainability efforts at TYM.

Internal Directors

Introducing the driving force behind our strategic vision: our exceptional internal board of directors.

Director Current Role Career Highlights Tenure

Hiyong Kim


Vice Chairman of Byucksan Group
Vice President of Korea Seoul Chamber of Commerce and Industry
National Federation of Entrepreneurs
Vice President of the Korea Council for Sustainable Development (KBCSD)

2022.03 ~ 2025.03​​​​

Dohoon Kim

President and CEO of TYM CORPORATION

CEO of Acrogaia Associates
Managing Director of Nomura Securities Co. Ltd.

2023.03 ~ 2026.03​​​​​​

Sowon Kim


Head of Management Support at TYM CORPORATION
Director of Public Relations at Dongyang Trading Co. Ltd.

2023.03 ~ 2026.03​​​​​​​​

Hanki Jang


Head of Technology Department at Doosan Infracore
Executive Director of Innovation of Management Division at Doosan Corporation

2023.03 ~ 2026.03​​​​​​​​

External Directors

Meet our outside directors who help guide TYM towards a sustainable future.

Director Career Highlights Tenure

Keunyoung Kang

Managing Partner at Samyool
Suho Law Firm

2024.03 ~ 2027.03​​​​​​

Seokho Kim

Partner Accountant at Hanvit Accounting Corp.
Partner of Audit Headquarters at Mazars

2024.03 ~ 2027.03​​​​​​​​

Youngcheol Lee

Advisor at Hyundai Investments Co., Ltd.
External Director at Najin Industry Co., Ltd.
CEO of Hyundai Investments Co., Ltd.
Head of Asset Management at Hyundai Marine & Fire Insurance Co., Ltd.

2022.08 ~ 2025.08​​​​​

Kiyoung Choi

CEO of Snowflake Korea
Co-CEO of M3 Systems
CEO of Google Cloud Korea
Adobe Korea MD/President

2024.03 ~ 2027.03​​​​​​

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Regulation Document Downloads

Learn how TYM ensures a standard of excellence through established regulatory frameworks.

Board of Directors - Decision-making on important matters of the company

Director Composition: Internal – Hiyong Kim (Chair), Dohoon Kim, Sowon Kim, Hanki Jang / External – Keunyoung Kang, Seokho Kim, Youngcheol Lee, Kiyoung Choi

Management Commitee - Executing management matters delegated by the Board of Directors

Director Composition: Internal – Hiyong Kim (Chair), Dohoon Kim, Sowon Kim, Hanki Jang

Audit Commission - Recommendations and regulations for the auditing committee (Director’s Business and Management Audit)

Director Composition: External - Seokho Kim (Chair), Keunyoung Kang, Youngcheol Lee, Kiyoung Choi

Human Resources Committee - Improving the in-house personnel system and employment appointments

Director Composition: One Chairperson / Five or more members (CEO's appointment)

Nomination Committee For Outside Directors - Recommendation for external director candidates

Director Composition: Internal - Dohoon Kim / External - Youngcheol Lee (Chair), Keunyoung Kang, Seokho Kim, Kiyoung Choi

ESG Commission - Improvement of environment, executives, employees, customers, shareholder value and governance

Director Composition: Internal - Dohoon Kim (Chair) / External - Keunyoung Kang, Seokho Kim, Youngcheol Lee, Kiyoung Choi