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Billionaire Profile
Yoon Dae-in
Global Rank
#3396

Image: 델리민주 Daily Minjoo (Democratic Party) | CC BY 3.0 | via Wikimedia Commons

Yoon Dae-in

CEO, Biotech
Seoul, South Korea
Real-Time Net Worth
$963M
Estimated based on Biotech stock value as of August 24, 2026
-6.06% (24h)
Age
76
Source
Biotech
Industry
Healthcare
Citizenship
South Korea

Biography

Yoon Dae-in, a prominent figure in South Korea's biotech industry, is the chairman of Sam Chun Dang Pharm (SCD). Born in 1950, Yoon has dedicated his career to the healthcare sector. He acquired Chosun Sam Chun Dang in 1986 after completing his MBA, using family funds. His achievements include leading SCD in the development of innovative pharmaceutical ingredients and drug delivery systems, such as the S-Pass technology. As of March 2026, Yoon's estimated net worth is $4.9 Billion, reflecting his successful ventures in the biotech field.

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Data Updated
Aug 21, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$963M
2025$2.10B
2024$2.10B

Portfolio Holdings

So Hwa Corp

So Hwa Corp

Ownership
56.52%

In-Depth Profile

Early Life

Yoon Dae-in was born in 1950. After completing his MBA studies, Yoon used family funds to acquire Chosun Sam Chun Dang. He has a Bachelor of Business Administration from Seoul National University and a Master of Business Administration from Long Island University.

Rise to Success

Yoon Dae-in's career highlights his strategic acquisition and leadership of Sam Chun Dang Pharm (SCD). Under his guidance, the company has focused on developing active pharmaceutical ingredients (APIs) for treatments, including those for dry-eye disease and high blood pressure. SCD also developed innovative drug delivery systems, such as S-Pass, which transforms injectable medicines into oral pills.

Key Business Strategies

Yoon's key business strategy involves innovative drug development and strategic partnerships. A notable achievement includes the January 2026 agreement between SCD and Japanese big pharma Daiichi Sankyo to co-develop and commercialize a weight-loss pill in Japan, utilizing S-Pass technology. This collaboration showcases Yoon's ability to foster international partnerships and expand market reach.

Philanthropy

While specific amounts are not readily available, Yoon Dae-in's contributions likely extend beyond business to philanthropic endeavors, reflecting his commitment to societal betterment. As a key figure in the biotechnology field, Yoon has likely been involved in various initiatives through Sam Chun Dang Pharm, supporting medical research and public health programs in South Korea.

Career Milestones

1986

Acquired Chosun Sam Chun Dang

Yoon used family funds to acquire Chosun Sam Chun Dang after completing his MBA studies.

2026

Signed agreement with Daiichi Sankyo

SCD signed an agreement with Japanese big pharma Daiichi Sankyo to jointly develop and commercialize SCD's weight-loss pill in Japan.

Philanthropy & Social Impact

Healthcare

General Support

Undisclosed

Likely involved in medical research and public health programs.

Business Philosophy & Leadership

Leadership Principles

Innovation

Focus on developing innovative pharmaceutical ingredients and drug delivery systems.

Strategic Partnerships

Forming partnerships with other companies to expand market reach.

Billionaires Connected to Yoon Dae-in

Peers in Healthcare

All Healthcare billionaires

Richest in South Korea

All billionaires from South Korea

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Yoon Dae-in's net worth in 2026?
As of 2026, Yoon Dae-in's estimated net worth is $0.963 billion, ranking #3396 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Yoon Dae-in make their money?
Yoon Dae-in's wealth primarily comes from Biotech, most notably through Biotech.
Where is Yoon Dae-in from?
Yoon Dae-in is from South Korea.
How old is Yoon Dae-in?
Yoon Dae-in is 76 years old.

Sources & References

  1. Yoon Dae-in — Forbes profile Forbes