Billionaire Profile
Mika Anttonen
Global Rank
#1727

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

Mika Anttonen

CEO, Oil & gas
FINLAND
Real-Time Net Worth
$2.383B
Estimated based on Oil & gas stock value as of March 6, 2026
0% (24h)
Age
59
Source
Oil & gas
Industry
Energy
Citizenship
FINLAND

Biography

Mika Anttonen is a Finnish billionaire and entrepreneur, best known for his involvement in the oil and gas industry and his subsequent environmental activism. Born in 1966, Anttonen amassed a significant net worth of $2.4 billion through his company, St1, a Scandinavian fuel distributor. His source of wealth is primarily from oil and gas, but he is actively working to transition towards renewable energy sources. Anttonen's career began as an oil trader, and he now serves as the Chairman of St1, refining oil, operating gas stations, and developing renewable energy projects. He is a vocal advocate for climate action and is involved in various philanthropic initiatives.

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

Wealth Over Time

In-Depth Profile

Early Life

Mika Anttonen was born in Helsinki, Finland in 1966. He spent his school years in Porvoo before returning to Helsinki. He graduated with a Master's degree in energy technology engineering from the Helsinki University of Technology in 1992. During his studies, he was recruited by the Finnish oil giant Neste, where his career in the energy sector began.

Rise to Success

Anttonen started his career as an energy trader at Neste in 1989. He quickly rose through the ranks and became the head of global oil trading. However, he left Neste and co-founded Greenergy Baltic in 1995. The company was later renamed St1, which grew to become a major player in the Scandinavian fuel market, operating gas stations and refining oil. Anttonen made his fortune in the filling station and oil refining businesses.

Key Business Strategies

St1 has focused on both traditional fossil fuel operations and investments in renewable energy. Anttonen has been instrumental in developing renewable energy sources like geothermal energy and bioethanol. He has been lobbying for laws that promote clean energy and restrict fossil fuel consumption. St1 is also involved in the development of "Power-to-X" technology to produce synthetic fuels.

Philanthropy

Anttonen supports various charitable causes, including ice hockey activities for children. He and his wife also established the Kle Kle foundation.

Career Milestones

1989

Energy Trader

Began career as an energy trader at Neste Corporation

1995

Founded Greenergy Baltic

Founded his own company, later renamed St1

2005

Renamed Greenergy Baltic to St1

Company name changed to St1

2016

Alumnus of the Year

Named Alumnus of the Year by Aalto University's School of Engineering

Philanthropy & Social Impact

Science and Research

Kle Kle foundation

Undisclosed

Supports science work

Youth Sports

Ice hockey activities

Undisclosed

Supports ice hockey activities for children

Business Philosophy & Leadership

Notable Quotes

"“I'm confident I know how to solve the challenge of decreasing carbon dioxide emissions.”"

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

Leadership Principles

Focus on Long-Term Vision

Ambitiously take in the big picture and understand future client needs to build world-class expertise in renewable energy

Prioritize Action

Don't waste time in turning plans into action

Embrace Responsibility

A responsible company must keep abreast of what's going on in the world