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Billionaire Profile
Koo Bon-sik
Global Rank
#2023

Koo Bon-sik

CEO, LT Group, Inc.
Seoul
Real-Time Net Worth
$2.09B
Estimated based on LT Group, Inc. stock value as of August 24, 2026
0% (24h)
Age
67
Source
LG
Industry
Diversified
Citizenship
South Korea

Biography

Koo Bon-sik, born in 1958, is a prominent South Korean businessman and the current chairman of LT Group. As the youngest son of Koo Ja-kyung, co-founder of LG Group, his career has been deeply intertwined with the family's legacy. His wealth stems from his significant stake in LG Corporation and related entities, solidifying his position among South Korea's wealthiest individuals. His career spans across various leadership roles within the LG Group, including Heesung Electronics. Koo Bon-sik's influence extends beyond business; he is part of the influential Koo family that has shaped South Korea's technology and industrial landscape. With a reported net worth of $1.9 billion, Koo Bon-sik continues to play a key role in the strategic direction of LT Group, focusing on electronics, precision manufacturing, and materials.

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Data Updated
Aug 23, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$2.09B
2025$2.00B
2024$1.90B

Portfolio Holdings

LG Electronics

LG Electronics

066570technology
Market Cap
$13.3B
Stock Price
$117.6
Seoul, South Korea
83,000 employees
Founded 1958

In-Depth Profile

Early Life and Education

Koo Bon-sik was born on June 28, 1958, in South Korea. He is the youngest son of Koo Ja-kyung, who served as the chairman of the LG Group from 1970 to 1995. Koo Ja-kyung played a crucial role in expanding LG from a chemical firm to a multinational conglomerate. Koo Bon-sik received his education at Shinil High School, graduating in 1976. He then pursued higher education at Korea University, earning a Bachelor of Science degree in Metallurgical Engineering in 1980. Following this, he obtained a Master of Science in Materials Engineering from the University of Michigan in 1985.

Rise to Success

After completing his education, Koo Bon-sik joined Heesung Electric Wire in 1985. He applied his expertise in metallurgical engineering within the company. His career within the Heesung affiliates progressed steadily. Koo Bon-sik served as director of Heesung Engelhard, a joint venture specializing in advanced materials and catalysts. He also served as president of Heesung Electronics, and vice-chairman of Heesung Group.

Key Business Strategies

Koo Bon-sik separated several Heesung Group affiliates to establish LT Group in 2019, transitioning it into a formal holding structure by 2023. He co-manages Heesung Electronics with his brother Koo Bon-neung. The LT Group focuses on electronics components, precision manufacturing, and materials, with key affiliates like LT Precision, LT Metal, and LT Material.

Philanthropy

Information about Koo Bon-sik's direct philanthropic involvements is not readily available in the search results. However, as a member of the Koo family, which has a long history of supporting various causes, it is highly probable that Koo Bon-sik is involved in philanthropic initiatives through the family or group affiliations.

Career Milestones

1985

Joined Heesung Electric Wire

Began career, applying metallurgical engineering expertise.

2019

Established LT Group

Separated from Heesung Group affiliates to form LT Group.

Billionaires Connected to Koo Bon-sik

Peers in Diversified

All Diversified billionaires

Richest in South Korea

All billionaires from South Korea

Frequently Asked Questions

What is Koo Bon-sik's net worth in 2026?
As of 2026, Koo Bon-sik's estimated net worth is $2.088 billion, ranking #2023 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Koo Bon-sik make their money?
Koo Bon-sik's wealth primarily comes from LG, most notably through LT Group, Inc..
Where is Koo Bon-sik from?
Koo Bon-sik is from South Korea.
How old is Koo Bon-sik?
Koo Bon-sik is 67 years old.

Sources & References

  1. Koo Bon-sik — Forbes profile Forbes
  2. LT Group, Inc. — official site LT Group, Inc.