Billionaire Profile
Mika Anttonen
Global Rank
#1648

Image: Public domain | via Wikimedia Commons

Mika Anttonen

CEO, St1
FI
Real-Time Net Worth
$2.4B
As of December 2025
Age
58
Source
Oil & gas
Industry
energy
Citizenship
FI

Biography

Mika Anttonen, a Finnish entrepreneur and energy executive, is the founder and chairman of St1, a company focused on the energy transition. With a current net worth of $2.4 billion, Anttonen's wealth stems from his involvement in the oil and gas industry. His career began in the 1990s as an oil trader with Neste Oyj, before he founded Greenergy Baltic in 1995 (renamed St1 in 2005). Anttonen is committed to combating climate change and has invested significantly in renewable energy initiatives like geothermal energy and bioethanol production, aiming to transition away from fossil fuels. He is also involved in politics, and served as a municipal councillor in Finland.

Wealth Over Time

In-Depth Profile

Early Life and Education

Mika Anttonen was born in Helsinki, Finland, in 1966. He earned a Master of Science in Technology in energy technology from Helsinki University of Technology in 1992. During his studies, he began his career in the oil industry.

Rise to Success

Anttonen started as a crude oil distributor at Neste Corporation, where he rapidly advanced. In 1995, he founded Greenergy Baltic and later renamed it St1 in 2005. Anttonen's strategic vision led St1 to become a major player in the Nordic energy sector, expanding into oil refining and fuel distribution. He acquired the Esso and Shell filling stations in Finland.

Key Business Strategies

Anttonen's approach involves balancing fossil fuel operations with investments in renewable energy. St1 has been investing heavily in renewable energy projects like wind power and advanced biofuels. The company focuses on CO2-aware energy production and is actively involved in researching and developing sustainable energy solutions. Anttonen's leadership also extends to advocating for technological breakthroughs in renewable energy and promoting the need for a global carbon market.

Philanthropy

Anttonen has been investing in renewable energy projects, including a 4-mile geothermal well in Espoo, Finland, to provide heat, reforesting, and the capture of carbon from the atmosphere. In 2021, Anttonen sold shares in Vierumäki Sports Oy, allocating the proceeds to support sports through various federations.

Career Milestones

1989

Energy Trader

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

1995

Founded Greenergy Baltic

Established his own energy company.

2000

Acquired St1 chain

Acquired the St1 chain, growing his company to become a major player in the Nordic energy sector.

Philanthropy & Social Impact

Environmental

Renewable Energy Investments

Unknown

Investing in projects such as geothermal energy, industrial wind power and waste-based ethanol fuels.

Sports

Vierumäki Sports Oy

Unknown

Sold shares to support sports federations.

Business Philosophy & Leadership

Notable Quotes

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

""It is our responsibility to contribute [to renewable energy],"."

Leadership Principles

Focus on the future

Anttonen emphasizes the need to anticipate and understand future client needs to guide business strategies.

Vision and Boldness

He sets ambitious goals and targets to be the best in the world, particularly in the energy transition.

Controversies & Challenges

N/A

Criticism of Climate Goals

Anttonen criticizes what he sees as unrealistic climate goals, particularly the focus on actions within the EU's borders.