Billionaire Profile
Kim Beom-su
Global Rank
#1123

Image: 여니수니 | CC BY 2.0 kr | via Wikimedia Commons

Kim Beom-su

CEO, Online services
SOUTH KOREA
Real-Time Net Worth
$3.875B
Estimated based on Online services stock value as of April 21, 2026
-2.06% (24h)
Age
60
Source
Online services
Industry
Technology
Citizenship
SOUTH KOREA

Biography

Kim Beom-su, also known as Brian Kim, is a South Korean billionaire and the visionary founder of Kakao, the country's leading messaging app. Born in 1966, Kim rose from humble beginnings, funding his education at Seoul National University. His career began at Samsung before he launched Hangame, South Korea's first online gaming portal. He later merged it with Naver and founded Kakao in 2010, expanding into various online services. With an estimated net worth of $5.0 billion, Kim is a prominent figure in the technology industry. He is recognized for his contributions to the digital landscape in South Korea and has also signed the Giving Pledge, committing to donate a significant portion of his wealth to charitable causes.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/21/2026

Wealth Over Time

In-Depth Profile

Early Life

Kim Beom-su, also known as Brian Kim, was born on March 8, 1966, in Damyang County, South Korea. Growing up in a low-income household with four siblings and his parents, who worked in a pen factory and as a hotel maid, respectively, he experienced financial hardships early in life. Kim's upbringing instilled in him a strong sense of responsibility and a drive to succeed. He funded his education by offering private tutoring and sometimes skipped meals to save money.

Rise to Success

Kim's career began at Samsung's IT services unit. In 1998, he founded Hangame, South Korea's first online gaming portal, with an initial investment of $184,000. The company merged with Naver in 2000, leading to the establishment of NHN, where Kim served as a representative. He then moved to Silicon Valley, California, in 2005. In 2010, he founded KakaoTalk, South Korea's leading messaging app. KakaoTalk quickly gained a dominant market share, transforming the way people communicate in South Korea. Kakao expanded into various services, including gaming, shopping, and fintech.

Key Business Strategies

Kim Beom-su's success stems from his ability to identify opportunities in the digital space and capitalize on them. His key business strategies included:

  • Innovation: Creating KakaoTalk, which revolutionized mobile communication in South Korea.
  • Diversification: Expanding Kakao's services beyond messaging into various sectors like gaming, e-commerce, and fintech to create a digital ecosystem.
  • Strategic Acquisitions: Acquiring companies like Daum Communications to expand Kakao's reach and services.

Philanthropy

Kim Beom-su is committed to giving back to society. In 2021, he signed the Giving Pledge, promising to donate more than half of his wealth to charitable causes. He established the Brian Impact Foundation to support social initiatives, including addressing the digital divide and fostering talent in AI and emerging technologies.

Career Milestones

1998

Founded Hangame

Founded South Korea's first online gaming portal with an initial investment of $184,000.

2000

Merged Hangame with Naver

Merged Hangame with Naver to form NHN, where he served as a representative.

2010

Founded KakaoTalk

Launched KakaoTalk, South Korea's leading messaging app.

2021

Signed the Giving Pledge

Committed to donate more than half of his wealth to charitable causes.

Philanthropy & Social Impact

Social Impact

Brian Impact Foundation

Undisclosed

Supports businesses that provide solutions to social problems and engages in projects related to future-leading technologies

Business Philosophy & Leadership

Notable Quotes

"“I was left feeling rudderless and lacking direction in life.”"

"“We are certain that this pledge is the greatest inheritance that we could provide for our children.”"

Controversies & Challenges

2024

Stock Manipulation Charges

Faced stock manipulation charges related to SM Entertainment.