LeaderPortfolio
Anttonen
Mika Anttonen
Rank #1738
FINLANDEnergyOil & gas

Mika Anttonen

Net Worth
$2.401B
0% (24h)
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.

The Full Dossier

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 Timeline

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.

2005

Acquired St1 Chain

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

1995

Founded Greenergy Baltic

Founded his own energy company, later renamed St1.

1989

Energy Trader

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

Philanthropic Impact

Sports and other initiativesUndisclosed

Keele Foundation

Established the Keele Foundation.

Wealth Trajectory