Billionaire Profile
Nikolai Buinov
Global Rank
#946

Image: Unsplash Contributor | Unsplash License | via Unsplash

Nikolai Buinov

CEO, Oil
RUSSIA
Real-Time Net Worth
$4.513B
Estimated based on Oil stock value as of April 20, 2026
0% (24h)
Age
58
Source
Oil, gas
Industry
Energy
Citizenship
RUSSIA

Biography

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.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

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 Milestones

1990

Graduated

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

1993

Began Career

Began his career in a timber company.

1995

Founded Bodaibo Energy

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

1997

Acquired Oil Field License

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

2000

Founded Irkutsk Oil Company

Founded Irkutsk Oil Company with his father and Boris Sinyavsky.

2011

Became President of INK

Assumed the role of President of Irkutsk Oil Company.

2022

Became Chairman of the Board of INK

Became Chairman of the board of INK.

Philanthropy & Social Impact

Community Development

Regional Causes

Unknown

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