Billionaire Profile
Mika Anttonen
Global Rank
#1745

Image: Markus Säynevirta | CC BY-SA 4.0 | via Wikimedia Commons

Mika Anttonen

CEO, Oil & gas
FINLAND
Real-Time Net Worth
$2.418B
Estimated based on Oil & gas stock value as of April 20, 2026
0% (24h)
Age
59
Source
Oil & gas
Industry
Energy
Citizenship
FINLAND

Biography

Mika Anttonen, a Finnish entrepreneur and the chairman of St1 Group, has a current estimated net worth of $2.4 billion as of March 25, 2026. His source of wealth is primarily from the Oil & gas industry, where he made his career. Anttonen's career began in energy trading at Neste Corporation before transitioning to entrepreneurship. He founded Greenergy Baltic in 1995, later renaming it St1. He is known for his work in renewable energy and climate change mitigation, and he invests in projects that aim to replace oil.

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

Wealth Over Time

In-Depth Profile

Early Life

Mika Anttonen was born in Helsinki, Finland, in 1966. He grew up playing hockey and studied energy technology at Helsinki University of Technology, graduating with a Master of Science in Technology in 1992. During his studies, Anttonen began his career as a crude oil distributor for Neste Corporation.

Rise to Success

Anttonen made a rapid progress in his career at Neste. In 1996, he became an entrepreneur and partner at the Greenergy Baltic corporation. In 2005, he renamed the company St1 after acquiring the St1 chain of service stations. Through St1, Anttonen has built a significant presence in the Nordic energy market. He is the majority owner and chairman of the board of directors of St1 Nordic Oy and St1 Group Oy.

Key Business Strategies

Anttonen's strategy involved expanding St1 into one of the largest fuel distributors and refiners in the Nordic countries. St1 has over 1,150 retail stations across Finland, Sweden, and Norway. The company focuses on fuel marketing, oil refining, and renewable energy solutions such as biogas and renewable diesel. Anttonen has also invested in geothermal energy and bioethanol production.

Philanthropy

Mika Anttonen is known for his work in renewable energy and climate change mitigation, and he invests in projects that aim to replace oil. He has established the Keele Foundation to support sports and other initiatives. In 2021, Anttonen sold a portion of shares in Vierumäki Sports Oy to support Finnish sports organizations.

Career Milestones

1989

Energy Trader

Began career as an energy trader for Neste, an oil refiner and maker.

1995

Founded Greenergy Baltic

Founded his own energy company, later renamed St1.

2005

Acquired St1 Chain

Acquired the St1 chain of service stations and renamed the company St1.

1997-present

Chairman of the Board of Directors, St1 Group

Currently serves as the chairman of the board of directors of both St1 Nordic Oy and St1 Group Oy.

Philanthropy & Social Impact

Sports and other initiatives

Keele Foundation

Undisclosed

Established the Keele Foundation.

Business Philosophy & Leadership

Notable Quotes

"We make our money from fossil fuels, but invest in renewable energy solutions."

"It is our responsibility to contribute."

Leadership Principles

Emphasis on Renewable Energy

Investing profits into renewable energy projects to combat climate change and replace oil.

Sustainable Practices

Implementing sustainable business practices in the energy sector.

Promoting CO2-aware energy.

Leading the energy transition as a producer and seller of CO2-aware energy.