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Eriksson
Madeleine Olsson Eriksson
Rank #2998
SWEDEN•Diversified•Diversified (Stena Sphere)

Madeleine Olsson Eriksson

Net Worth
$1.216B
0% (24h)
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.

How to read Madeleine Olsson Eriksson's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Madeleine Olsson Eriksson, we anchor the narrative to Diversified and Diversified (Stena Sphere), then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $1.216B alongside global rank #2998, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (SWEDEN) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

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 Timeline

2023

Founder of MOE-stiftelsen

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

1996

Chair of Sten A. Olsson Foundation

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

1990s

Ownership Stake in Stena Sphere

Received a 12.5% ownership stake in Stena Sphere.

1981

Medical License

Obtained medical license from Karolinska Institutet.

Philanthropic Impact

Education, Culture, and Research$Various

Sten A. Olsson Foundation

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

Education and Social Welfare$200M (Initial Capital)

MOE-stiftelsen

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

Key Business Ventures & Holdings

CompanyStakeValue
Stena Sphere12.50%—

Net Worth History

In-Depth Analysis

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.

Data Sources & Methodology

Figures for Madeleine Olsson Eriksson are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.

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