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Soon-jae
Park Soon-jae
Rank #1728
SOUTH KOREA•Healthcare•Biopharmaceuticals

Park Soon-jae

Net Worth
$2.374B
+6.28% (24h)
Park Soon-jae is a South Korean businessman and biochemist, currently the CEO and former chairman of Alteogen, a biotechnology company specializing in biosimilars and biobetters. Born on December 22, 1954, Park has a net worth estimated at $2.28 billion as of March 2026. His wealth stems primarily from his ventures in the biopharmaceutical industry. Park founded Alteogen in 2008 with his wife, Chung Hye-shin, and has led the company's growth, focusing on innovative drug development, including the ALT-B4 technology, an enzyme that allows drugs to be administered subcutaneously instead of intravenously. Prior to Alteogen, Park held leadership roles at LG Life Sciences and Hanwha Petrochemical, and was a postdoctoral researcher at MIT.

How to read Park Soon-jae's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Park Soon-jae, we anchor the narrative to Biopharmaceuticals and Biopharmaceuticals, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $2.374B alongside global rank #1728, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (SOUTH KOREA) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life and Education

Park Soon-jae was born on December 22, 1954, in Gunsan, South Korea. He graduated from Seoul High School in 1973. He then pursued higher education, earning a bachelor's degree in biochemistry from Yonsei University in 1980. He furthered his studies in the United States, obtaining a PhD in biochemistry from Purdue University in 1985.

Rise to Success

His career began with research experience at the Massachusetts Institute of Technology (MIT) from 1986 to 1988. After returning to South Korea, Park took on various biotechnology research positions. In 1998, he became the head of development at LG Chem. In 2006, he became managing director of Dream Pharma. Park Soon-jae founded Alteogen in 2008. He has a 19.2% stake in Alteogen as of June 2024. In December 2024, Alteogen had the largest market capitalization in the KOSDAQ exchange.

Key Business Strategies

Alteogen's key business strategy revolves around developing biosimilars and biobetters. The company is known for its ALT-B4 enzyme technology that allows drugs to be administered subcutaneously. In 2024, Alteogen announced a licensing deal with Merck to use ALT-B4 for the cancer drug pembrolizumab, which led to a significant increase in the company's share price. In December 2025, Park Soon-jae stepped down as CEO of Alteogen to become the chairman of the board, focusing on long-term vision and strategy.

Philanthropy

Information on Park Soon-jae’s specific philanthropic endeavors is not readily available in the search results.

Career Timeline

2025

Chairman of the Board at Alteogen

Became the chairman of the board at Alteogen.

2010

CEO of Alteogen

Assumed the role of CEO at Alteogen.

2008

Founded Alteogen

Co-founded the biotechnology company Alteogen.

2006

Managing Director of Dream Pharma

Became managing director of Dream Pharma.

1998

Head of Development at LG Chem

Took on a leadership role in development at LG Chem.

1986-1988

Researcher at MIT

Worked as a researcher at the Massachusetts Institute of Technology.

1985

Obtained PhD from Purdue University

Completed a doctorate in biochemistry.

1980

Graduated from Yonsei University

Earned a bachelor's degree in biochemistry.

Philanthropic Impact

UnknownUndisclosed

Not Available

Philanthropic information not found in the search results.

Key Business Ventures & Holdings

CompanyStakeValue
Alteogen19.20%—

Net Worth History

In-Depth Analysis

Early Life and Education

Park Soon-jae was born on December 22, 1954, in Gunsan, South Korea. He graduated from Seoul High School in 1973. He then pursued higher education, earning a bachelor's degree in biochemistry from Yonsei University in 1980. He furthered his studies in the United States, obtaining a PhD in biochemistry from Purdue University in 1985.

Rise to Success

His career began with research experience at the Massachusetts Institute of Technology (MIT) from 1986 to 1988. After returning to South Korea, Park took on various biotechnology research positions. In 1998, he became the head of development at LG Chem. In 2006, he became managing director of Dream Pharma. Park Soon-jae founded Alteogen in 2008. He has a 19.2% stake in Alteogen as of June 2024. In December 2024, Alteogen had the largest market capitalization in the KOSDAQ exchange.

Key Business Strategies

Alteogen's key business strategy revolves around developing biosimilars and biobetters. The company is known for its ALT-B4 enzyme technology that allows drugs to be administered subcutaneously. In 2024, Alteogen announced a licensing deal with Merck to use ALT-B4 for the cancer drug pembrolizumab, which led to a significant increase in the company's share price. In December 2025, Park Soon-jae stepped down as CEO of Alteogen to become the chairman of the board, focusing on long-term vision and strategy.

Philanthropy

Information on Park Soon-jae’s specific philanthropic endeavors is not readily available in the search results.

Data Sources & Methodology

Figures for Park Soon-jae are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.

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