Chey Tae-won

South Korean businessman

Chey Tae-won leads the SK Group, the second-largest corporate conglomerate in South Korea, encompassing a diverse portfolio of 186 subsidiaries including SK Hynix, SK Telecom, and SK Innovation. As the son of former chairman Chey Jong-hyun, he assumed control of the group at 38 years old and has remained in a central leadership position for over two decades.

Professional Ascent and Leadership

Born in 1960 in Suwon, Chey Tae-won completed his undergraduate education at Korea University, earning a bachelor's degree in physics. He later undertook doctoral studies in economics at the University of Chicago but did not complete the program. His early career within the family organization involved serving as the executive director of SK America and SK Corp. Following the death of his father, Chey Jong-hyun, he ascended to the role of chairman of the SK Group in 1998, a transition supported by Chey Yoon-won. Under his management, the conglomerate expanded its reach significantly.

THE FREE TEST
How high is yours?

Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.

Take the IQ test →

Governance and Industry Roles

Beyond his duties within the conglomerate, Chey has held various external leadership roles. He became the chairman of the Korea Chamber of Commerce and Industry in March 2021. His industrial oversight includes serving as chairman of SK Innovation starting in 2011, SK Hynix in 2012, and SK Telecom since February 2022. Additionally, he has participated in international forums, including acting as a working group convener for the G20 Business Summit in 2010 and serving on the Brookings International Advisory Council. He was also twice elected president of the Korea Handball Federation.

Legal Challenges and Personal Developments

In 2012, Chey faced indictment regarding the embezzlement of more than $40 million from SK companies, funds allegedly used to cover trading losses. The Seoul District Court found him guilty in 2013 and sentenced him to four years in prison, where he remained until his pardon in August 2015. His personal life has also faced public scrutiny, particularly regarding his marriage to Roh Soh-yeong, the daughter of former president Roh Tae-woo. The couple separated in 2011, and after years of legal proceedings concerning asset division and divorce, the Supreme Court of Korea finalized the dissolution of their marriage, with ongoing appeals regarding the financial settlement.

Fast facts

Questions readers ask

What is the primary role of Chey Tae-won?

He serves as the chairman of the SK Group, the second-largest conglomerate in South Korea.

What is the status of the legal proceedings regarding his divorce?

The marriage was officially dissolved by the Supreme Court of Korea, though disputes regarding the property division settlement remain under appeal as of August 2026.

Achievements

Compare with the greats

Jean Jacques Rousseau vs Sigmund FreudArchimedes vs Kim Ung YongFr D Ric Chopin vs George Frideric HandelAdam Smith vs Leonardo Da Vinci
See the IQ Rankings →All comparisons →

Child prodigies

Rayssa LealRayssa LealViral 'Fairy of Skate' who won Olympic street silver at age 13Jacob BarnettJacob BarnettAutistic Physics Prodigy — IUPUI Master's at 14, Perimeter…Yusra MardiniYusra MardiniSwam Refugees to Safety Across the Aegean — Olympic Athlete on…Mahnoor CheemaMahnoor CheemaPassed 34 O-Levels by Age 13 — Pakistani-British Prodigy with…
Child prodigies →

Play & come back tomorrow

Daily Genius Challenge · Guess the genius
Self-taught English scientist who discovered electromagnetic induction, the basis of the electric generator.
Tap your answer ↓
Which Genius Are You? Free IQ Test