Billionaire Profile
Madeleine Olsson Eriksson
Global Rank
#2968

Image: Plyhm | CC BY-SA 4.0 | via Wikimedia Commons

Madeleine Olsson Eriksson

CEO, Diversified
SWEDEN
Real-Time Net Worth
$1.274B
Estimated based on Diversified stock value as of April 20, 2026
0% (24h)
Age
80
Source
Diversified (Stena Sphere)
Industry
Diversified
Citizenship
SWEDEN

Biography

Madeleine Olsson Eriksson, born August 25, 1945, is a Swedish businesswoman, philanthropist, and former gynecologist. She is recognized for her significant ownership stake in Stena Sphere, a diversified family-owned conglomerate, and her active role in philanthropy, particularly through the Sten A. Olsson Foundation for Research and Culture and the Madeleine Olsson Erikssons Stiftelse (MOE-stiftelsen). Her career includes practicing medicine before transitioning into business and philanthropic endeavors. Her source of wealth is diversified, stemming from her involvement in Stena Sphere. Eriksson is known for supporting initiatives in education, research, and culture.

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Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life

Madeleine Olsson Eriksson was born in Gothenburg, Sweden, in 1945. She is the daughter of Sten Allan Olsson, the founder of Stena Sphere, a company that began as a trading firm and evolved into a global enterprise with interests in shipping, ferries, offshore drilling, property development, and metal recycling. She grew up in a family deeply rooted in the maritime industry.

Rise to Success

Eriksson initially pursued a career in medicine. She earned a medical license from Karolinska Institutet in 1981 and practiced gynecology for several years. In the 1990s, she became involved with the family business, Stena Sphere. She holds a 12.5% stake in Stena Sphere, which is the primary source of her wealth. This significant ownership, along with her philanthropic work, has solidified her position as a prominent figure in Sweden's business and cultural landscape.

Key Business Strategies

While her brother, Dan Olsson, serves as CEO, Madeleine Olsson Eriksson is not involved in the day-to-day operations of Stena Sphere. However, her strategic role includes chairing the Sten A. Olsson Foundation for Research and Culture since its establishment in 1996. In 2018, she founded Formica Capital AB and is a board member. She founded the Madeleine Olsson Erikssons Stiftelse (MOE-stiftelsen) in 2023, endowing it with an initial capital of 200 million Swedish kronor, which is dedicated to promoting equal and gender-equitable education.

Philanthropy

Madeleine Olsson Eriksson is actively involved in philanthropy, primarily through the Sten A. Olsson Foundation for Research and Culture. The foundation supports various initiatives in Western Sweden focused on scientific advancement, artistic endeavors, and educational programs. In 2023, she founded MOE-stiftelsen, which provides funding for projects that enhance equitable education and prevent social and economic vulnerability among children and youth both in Sweden and internationally.

Career Milestones

1981

Medical License

Obtained medical license from Karolinska Institutet.

1990s

Ownership Stake in Stena Sphere

Received a 12.5% ownership stake in Stena Sphere.

1996

Chair of Sten A. Olsson Foundation

Became chairwoman of the Sten A. Olsson Foundation for Research and Culture.

2023

Founder of MOE-stiftelsen

Founded the Madeleine Olsson Erikssons Stiftelse (MOE-stiftelsen).

Philanthropy & Social Impact

Education, Culture, and Research

Sten A. Olsson Foundation

$Various

Supports initiatives in scientific advancement, artistic endeavors, and educational programs.

Education and Social Welfare

MOE-stiftelsen

$200M (Initial Capital)

Provides funding for projects enhancing equitable education and preventing social and economic vulnerability.