Billionaire Profile
Nikolai Buinov
Global Rank
#999

Image: Unsplash Contributor | Unsplash License | via Unsplash

Nikolai Buinov

CEO, Oil
RUSSIA
Real-Time Net Worth
$4.204B
Estimated based on Oil stock value as of March 6, 2026
0% (24h)
Age
58
Source
Oil, gas
Industry
Energy
Citizenship
RUSSIA

Biography

Nikolai Buinov, a prominent Russian entrepreneur, is the chairman and co-founder of Irkutsk Oil Company (INK), the largest private oil company in Russia. His estimated net worth is 5.5 billion as of 2024, stemming from his ventures in the oil and gas sector. Buinov's career began in the early 1990s and includes founding Bodaibo Energy, which supplied fuel to gold miners. He later acquired an oil field license which would become INK. His achievements include significantly increasing oil production and expanding into hospitality, including the renovation of the Wawelberg Bank into a hotel.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Nikolai Buinov was born on June 19, 1967, in Krasnoyarsk, Russia. He grew up in a family of entrepreneurs, which influenced his career path. Buinov graduated from St. Petersburg State Transport University in 1990 with a degree in Civil Engineering.

Rise to Success

Buinov's career began in 1993 at a timber company. In 1995, he co-founded Bodaibo Energy with his father, supplying fuel and lubricants to gold miners in Siberia. In 1997, Buinov purchased an oil field license, which led to the creation of Irkutsk Oil Company (INK). He co-founded INK with his father and Boris Sinyavsky in 2000. He became President of INK in 2011 and Chairman of the board in January 2022. In 2022, Goldman Sachs sold its stake in IOC to Buinov and his partners.

Key Business Strategies

A key strategy for Buinov has been to increase oil production. INK announced plans to increase crude oil production to 8.5 million tons per year in 2017. Since 2017, he has invested in the hotel business.

Philanthropy

Information on exact philanthropy amounts is unavailable. However, he is known for his philanthropic efforts and contributions to various charitable causes. In 2020, he was involved in the construction of an infectious diseases hospital and designed a microdistrict for future plant workers in Ust-Kut.

Career Milestones

1990

Graduated

Graduated from St. Petersburg State Transport University.

1993

Began Career

Began his career at a timber company.

1995

Founded Bodaibo Energy

Founded Bodaibo Energy with his father.

1997

Purchased Oil Field License

Purchased an oil field license, which became Irkutsk Oil Company.

2000

Co-founded INK

Founded INK with his father and Boris Sinyavsky.

2011

President of INK

Became President of INK.

2022

Chairman of the Board

Became Chairman of the board of INK.

Philanthropy & Social Impact

Healthcare

Hospital Construction

Unknown

Financed the construction of an infectious diseases hospital in Ust-Kut.

Community Development

Microdistrict Design

Unknown

Designed a microdistrict for future plant workers in Ust-Kut.

Controversies & Challenges

2025

UK Sanctions

The UK added Nikolai Buinov to its sanctions list.