Skip to content
Billionaire Profile
Dona Bertarelli
Global Rank
#547

Image: Chris Schmid | CC BY-SA 4.0 | via Wikimedia Commons

Dona Bertarelli

CEO, Biotech and investments
Gstaad, Switzerland
Real-Time Net Worth
$7.44B
Estimated based on Biotech and investments stock value as of September 10, 2026
0% (24h)
Age
58
Source
Biotech and investments
Industry
Healthcare
Citizenship
Switzerland

Biography

Dona Bertarelli, born in Rome in 1968, is a Swiss businesswoman, philanthropist, and ocean advocate. Her wealth stems from biotech and investments, notably the sale of the family's biotech company, Serono. She inherited Serono, a company founded by her father, with her brother, Ernesto. Bertarelli is known for her multifaceted contributions, including her role as co-chair of the Bertarelli Foundation, which focuses on marine conservation and life sciences research. Her career also includes significant achievements in sailing, where she has set records and won prestigious races, and she is the fastest woman to sail around the world. As of June 2024, her net worth is estimated to be $6.2 billion, reflecting her success in business and her commitment to environmental stewardship.

AI-Assisted Draft
Not yet reviewed by an editor — how we work
Data Updated
Sep 10, 2026
Report a Correction

Wealth Over Time

Net Worth History

YearNet Worth
2026$7.44B
2025$7.50B
2024$6.20B

Portfolio Holdings

B-Flexion

B-Flexion

Healthcare
Switzerland
Founded 2008

In-Depth Profile

Early Life and Education

Dona Bertarelli was born in Rome, Italy, on March 3, 1968. Her parents are Maria Iris and Fabio Bertarelli. She and her brother, Ernesto Bertarelli, inherited Serono, a biotechnology company founded in 1906 by their grandfather. Dona holds a Bachelor of Science degree from Boston University's College of Communication.

Rise to Success

Bertarelli's wealth is primarily derived from biotech and investments, particularly the sale of the family's biotechnology company, Serono, in 2007. She served as the Executive Director of Public and Professional Affairs at Serono in the 1990s. The Bertarelli family sold Serono to Merck for over $13 billion. Dona and her brother Ernesto split ownership of the family assets.

Key Business Strategies

Dona Bertarelli co-chairs the Bertarelli Foundation, which focuses on marine conservation and life sciences research. The family's B-Flexion Group invests in diverse areas, including commercial real estate, technology, and drug companies. She also founded Dona Bertarelli Philanthropy, which supports initiatives in advocacy, education, science, technology, and community-driven projects, with a strong focus on environmental conservation.

Philanthropy

Bertarelli is deeply involved in philanthropy, co-chairing the Bertarelli Foundation, which promotes scientific, social, and economic knowledge in reproductive health and infertility. In 2021, the Bertarelli Rare Cancers Fund supported $15 million in research projects. She also founded the Pew Bertarelli Ocean Legacy, working with The Pew Charitable Trusts to advance ocean conservation.

Career Milestones

1992

Executive Director

Executive Director of Public and Professional Affairs at Serono.

1999

Co-founder

Co-founded the Bertarelli Foundation.

2010

Bol d'Or Mirabaud

Won the Bol d'Or Mirabaud sailing race.

2013

Rolex Fastnet Race

Won the Rolex Fastnet Race.

2013

America Discovery Route Record

Set a new record for the America Discovery Route.

2016

Jules Verne Trophy

Fastest woman to sail around the world.

Philanthropy & Social Impact

Marine Conservation, Scientific Research

Bertarelli Foundation

Undisclosed

Focuses on marine conservation, life sciences research, and support for local educational and community projects.

Ocean Conservation

Pew Bertarelli Ocean Legacy

Undisclosed

Advances ocean conservation.

Environmental Conservation

Dona Bertarelli Philanthropy

Undisclosed

Supports biodiversity initiatives and a healthy balance between people and nature.

Cancer Research

Bertarelli Rare Cancers Fund

$15M

Supported research projects and community building in 2021.

Billionaires Connected to Dona Bertarelli

Peers in Healthcare

All Healthcare billionaires

Richest in Switzerland

All billionaires from Switzerland

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Dona Bertarelli's net worth in 2026?
As of 2026, Dona Bertarelli's estimated net worth is $7.441 billion, ranking #547 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Dona Bertarelli make their money?
Dona Bertarelli's wealth primarily comes from Biotech and investments, most notably through Biotech and investments.
Where is Dona Bertarelli from?
Dona Bertarelli is from Switzerland.
How old is Dona Bertarelli?
Dona Bertarelli is 58 years old.

Sources & References

  1. Dona Bertarelli — Forbes profile Forbes