Billionaire Profile
Dona Bertarelli
Global Rank
#502

Image: Public domain | via Wikimedia Commons

Dona Bertarelli

CEO, Biotech and investments
CH
Real-Time Net Worth
$7.4B
As of December 2025
Age
57
Source
Biotech and investments
Industry
healthcare
Citizenship
CH

Biography

Dona Bertarelli is a Swiss entrepreneur, philanthropist, and ocean advocate. Born in Rome, Italy, in 1968, she is co-chair of the Bertarelli Foundation, which supports marine conservation, scientific research, and community initiatives. Her wealth stems primarily from the 2007 sale of the family's biotechnology company, Serono, for over $13 billion. Bertarelli is also a celebrated sailor, with multiple victories in prestigious races, including the Bol d'Or Mirabaud and the Rolex Fastnet race. She is actively involved in promoting the blue economy and has served as a Special Advisor for the Blue Economy for the United Nations Conference on Trade and Development (UNCTAD). Her work emphasizes a balance between human activity and environmental preservation, demonstrating her commitment to both entrepreneurial success and environmental stewardship.

Wealth Over Time

In-Depth Profile

Early Life and Education

Dona Bertarelli was born in Rome, Italy, on March 3, 1968. She is the daughter of Fabio Bertarelli and Maria Iris Bertarelli. Her family's wealth originated from Serono, a biotechnology company founded in 1906, which became a cornerstone of their investments. Bertarelli holds a Bachelor of Science degree from Boston University's College of Communication.

Rise to Success

Bertarelli's career includes significant contributions to Serono, where she served as Executive Director of Public and Professional Affairs from 1992 to 1997. During her tenure, she played a key role in establishing the Serono Symposia and the Serono Foundation, driving the company's philanthropic and educational initiatives. After the sale of Serono to Merck KGaA in 2007, she focused on managing her investments.

Key Business Strategies

Bertarelli's business acumen is evident in her strategic investments and leadership roles. She took over the Grand Hôtel Park in Gstaad in 2003 and has been involved in several ventures, including the acquisition of the Italian fashion brand Fiorucci. Her focus on long-term value creation is reflected in her assets in hospitality and real estate.

Philanthropy

In 1999, Dona and her brother, Ernesto Bertarelli, co-founded the Bertarelli Foundation, initially focusing on reproductive health and infertility, and later expanding to marine conservation. Her philanthropic efforts have supported the protection of over 16 million square kilometers of ocean through the Pew Bertarelli Ocean Legacy. She is also a Special Advisor for the Blue Economy for the United Nations Conference on Trade and Development (UNCTAD). In April 2024, Bertarelli pledged $60.8 million to protect the Mediterranean Sea.

Career Milestones

1992

Executive Director of Public and Professional Affairs

Joined Serono, a biotechnology company, and played a key role in establishing the Serono Symposia and the Serono Foundation.

1999

Co-founded the Bertarelli Foundation

Established the Bertarelli Foundation to promote scientific, social, and economic knowledge in the field of infertility.

2003

Took over the Grand Hôtel Park in Gstaad

Managed the five-star hotel and focused on investments in the hospitality sector.

2010

Won the Bol d'Or Mirabaud

Won the prestigious Bol d'Or Mirabaud sailing race.

2013

Won the Rolex Fastnet Race

Won the Rolex Fastnet race with her team Spindrift Racing, and set a new record for the America Discovery Route.

2016

Completed Jules Verne Trophy Challenge

Became the fastest woman to sail around the world.

2020

Special Advisor for the Blue Economy at UNCTAD

Appointed Special Advisor, promoting sustainable use of ocean resources.

2021

Patron of Nature of the IUCN

Became a Patron of Nature of the International Union for the Conservation of Nature.

Philanthropy & Social Impact

Marine conservation, Health and Education

Bertarelli Foundation

Undisclosed

Supports marine science, conservation, translational research in human health, and community projects.

Marine Conservation

Pew Bertarelli Ocean Legacy

Undisclosed

Works with The Pew Charitable Trusts to establish marine protected areas, conserving over 16 million square kilometers of ocean.

Environmental Conservation

Sports for Nature

Undisclosed

Joint initiative to support biodiversity through sports, involving IUCN, IOC, UNEP, and CBD.

Marine Conservation

Mediterranean Sea Protection

$60.8B

Pledged to protect the Mediterranean Sea

Health

Bertarelli Rare Cancers Fund

$15M

Supported research projects and community building in 2021.

Business Philosophy & Leadership

Notable Quotes

"What began as a deep love for the sea has grown into a mission to protect it, not only for its beauty, but for its vital role in sustaining life on Earth. True progress isn't measured by what we take from Nature, but by how well we give back: to people, to the living world that sustains us, from wildlife to the plants and animals we share our lives with, and to those who will come after us."

Leadership Principles

Commitment to Environmental Stewardship

Dedicated to marine conservation and promoting the blue economy.

Philanthropic Focus

Prioritizes initiatives that support the well-being of people and the environment.

Strategic Investments

Manages investments with a focus on long-term value creation.

Data-Driven Decision Making

Believes in data-driven decision-making, and in the importance of ensuring marine protected areas are well designed, managed and implemented.