Billionaire Profile
Chey Tae-won
Global Rank
#2163

Image: Public domain | via Wikimedia Commons

Chey Tae-won

CEO, SK Group
KR
Real-Time Net Worth
$1B
As of December 2025
Age
65
Source
Oil, semiconductor
Industry
technology
Citizenship
KR

Biography

Chey Tae-won, born on December 3, 1960, is the Chairman of SK Group, South Korea's second-largest conglomerate, with an estimated net worth of $1.8 billion. His wealth stems from his interests in oil, semiconductors, and technology. Chey's career began at SK Corporation, and he ascended to the chairmanship of SK Group in 1998. His leadership has been marked by significant achievements, including transforming SK Group into a global leader in several industries. Chey has also held various leadership positions in SK's subsidiaries, including SK Innovation and SK Hynix. His contributions extend beyond business, as he has been involved in numerous civic and business organizations.

Wealth Over Time

In-Depth Profile

Early Life

Chey Tae-won was born in Suwon, Gyeonggi Province, South Korea, on December 3, 1960. He is the eldest son of Chey Jong-hyun, the former chairman of SK Group. He graduated from Korea University with a bachelor's degree in physics. He later pursued a Ph.D. in economics at the University of Chicago, although he did not complete the program.

Rise to Success

Chey Tae-won's career began at SK Corporation, where he held various executive positions. He became the chairman of SK Group at the young age of 38, following his father's death in 1998. Under his leadership, SK Group has grown to become South Korea's second-largest conglomerate. Chey played a crucial role in expanding the group's business areas through mergers and acquisitions, notably the acquisition of SK Hynix, which propelled the company to become the world's second-largest memory chipmaker.

Key Business Strategies

Chey's leadership has been characterized by strategic reforms and restructuring, which have been key to the growth of SK Group. He has been focused on sectors such as energy, semiconductors, and telecommunications. Chey has also identified semiconductors and artificial intelligence (AI) as future growth engines for the group, pushing for large-scale investments in these areas. He has also launched initiatives to streamline non-core affiliates and has a strong interest in ESG (Environmental, Social, and Governance) management and corporate social activities.

Philanthropy

Chey Tae-won is involved in philanthropic endeavors, though the exact amounts of his contributions are not readily available in the search results. He has been involved in initiatives promoting social value creation and is a key contributor to global and regional non-profit organizations, such as the World Economic Forum and the Boao Forum.

Career Milestones

1998

Chairman of SK Group

Assumed the role of Chairman, leading the conglomerate through significant expansion and diversification.

2011

Chairman of SK Innovation

Became Chairman, overseeing the energy and chemical sectors.

2012

Chairman of SK Hynix

Appointed Chairman, instrumental in the growth of the semiconductor business.

2021

Chairman of the Korea Chamber of Commerce and Industry (KCCI)

Took on the role, representing the business community.

2022

Chairman of SK Telecom

Became Chairman, focusing on digital innovation and AI technologies.

Philanthropy & Social Impact

Education

Chey Institute for Advanced Studies (CIAS)

Undisclosed

Founded to bolster global outreach through the development of international academic exchanges.

Business Philosophy & Leadership

Leadership Principles

Commitment to Social Value Creation

Focusing on maximizing socio-environmental welfare as an engine of growth.

Strategic Investments

Identifying semiconductors and AI as future growth engines and pushing large-scale investments.

Controversies & Challenges

2012

Embezzlement Indictment

Indicted for embezzling over $40 million from SK companies.

2013

Embezzlement Conviction

Found guilty and sentenced to 4 years in prison.

2025

Divorce Settlement Overturned

The Supreme Court overturned a $1 billion divorce settlement.