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Buinov
Nikolai Buinov
Rank #928
RUSSIA•Energy•Oil, gas

Nikolai Buinov

Net Worth
$4.513B
0% (24h)
Nikolai Buinov is a prominent Russian businessman and entrepreneur, currently ranked #1011 on the Forbes 2026 Billionaires list. His estimated net worth is $4.2 billion. Buinov's wealth primarily stems from his ownership of Irkutsk Oil Company (INK), the largest independent private oil company in Russia. His career began in the early 1990s with a timber company, later transitioning to the energy sector, which has been the primary source of his wealth. Buinov's achievements include founding Bodaibo Energy in 1995 and acquiring an oil field license in 1997, marking the beginning of IOC. He is known for navigating complex ownership structures and strategic acquisitions.

How to read Nikolai Buinov'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 Nikolai Buinov, we anchor the narrative to Oil and Oil, gas, 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 $4.513B alongside global rank #928, 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 (RUSSIA) 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

Nikolai Buinov was born in Krasnoyarsk, Russia, on July 19, 1967. He graduated from the Leningrad Institute of Railway Engineers (now St. Petersburg State Transport University) in 1990 with a Master of Science in Engineering. This technical background likely provided him with valuable analytical skills and an understanding of infrastructure that proved beneficial in the energy sector.

Rise to Success

Buinov's entrepreneurial journey started in the early 1990s with a timber processing company. He then founded Bodaibo Energy with his father in 1995, which supplied fuel and lubricants to gold miners in the Irkutsk region of Siberia. The turning point in his career came in 1997 when he acquired an oil field license, forming the foundation of Irkutsk Oil Company (INK). INK grew to become the largest independent private oil company in Russia.

Key Business Strategies

Buinov's success is characterized by strategic acquisitions and partnerships. He sold a stake in INK to the European Bank for Reconstruction and Development (EBRD) in 2008 and later repurchased it from Goldman Sachs in 2022. His ability to navigate complex ownership structures and manage geopolitical risks has been critical to INK's growth. Buinov focuses on developing remote, underexplored oil fields in Eastern Siberia.

Philanthropy

Public records of Buinov's philanthropy are sparse, suggesting a low-profile approach. His charitable contributions appear to be focused on regional causes in the Irkutsk region, potentially related to infrastructure, education, or environmental projects tied to INK's operations.

Career Timeline

2022

Became Chairman of the Board of INK

Became Chairman of the board of INK.

2011

Became President of INK

Assumed the role of President of Irkutsk Oil Company.

2000

Founded Irkutsk Oil Company

Founded Irkutsk Oil Company with his father and Boris Sinyavsky.

1997

Acquired Oil Field License

Purchased an oil field license, which became the foundation for the Irkutsk Oil Company (INK).

1995

Founded Bodaibo Energy

Co-founded Bodaibo Energy with his father, providing fuel and lubricants to gold miners in Siberia.

1993

Began Career

Began his career in a timber company.

1990

Graduated

Graduated from St. Petersburg State Transport University with a degree in Civil Engineering.

Philanthropic Impact

Community DevelopmentUnknown

Regional Causes

Supports regional causes, potentially including infrastructure, education, and environmental projects in the Irkutsk region.

Key Business Ventures & Holdings

CompanyStakeValue
Irkutsk Oil Company (INK)64.00%—

Net Worth History

In-Depth Analysis

Early Life and Education

Nikolai Buinov was born in Krasnoyarsk, Russia, on July 19, 1967. He graduated from the Leningrad Institute of Railway Engineers (now St. Petersburg State Transport University) in 1990 with a Master of Science in Engineering. This technical background likely provided him with valuable analytical skills and an understanding of infrastructure that proved beneficial in the energy sector.

Rise to Success

Buinov's entrepreneurial journey started in the early 1990s with a timber processing company. He then founded Bodaibo Energy with his father in 1995, which supplied fuel and lubricants to gold miners in the Irkutsk region of Siberia. The turning point in his career came in 1997 when he acquired an oil field license, forming the foundation of Irkutsk Oil Company (INK). INK grew to become the largest independent private oil company in Russia.

Key Business Strategies

Buinov's success is characterized by strategic acquisitions and partnerships. He sold a stake in INK to the European Bank for Reconstruction and Development (EBRD) in 2008 and later repurchased it from Goldman Sachs in 2022. His ability to navigate complex ownership structures and manage geopolitical risks has been critical to INK's growth. Buinov focuses on developing remote, underexplored oil fields in Eastern Siberia.

Philanthropy

Public records of Buinov's philanthropy are sparse, suggesting a low-profile approach. His charitable contributions appear to be focused on regional causes in the Irkutsk region, potentially related to infrastructure, education, or environmental projects tied to INK's operations.

Data Sources & Methodology

Figures for Nikolai Buinov 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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