BillionaireNet
Bertarelli
Dona Bertarelli
Rank #502
SWITZERLANDhealthcareBiotech and investments

Dona Bertarelli

Net Worth
$7.451B
0% (24h)
Dona Bertarelli is a Swiss businesswoman, philanthropist, and ocean advocate with a net worth of $7.4 billion as of December 16, 2025. Her wealth stems primarily from her family's biotechnology business, Serono, which she inherited with her brother. Dona's career began in the family business, where she served as Executive Director of Public and Professional Affairs. After the sale of Serono, she dedicated herself to entrepreneurship, philanthropy, and competitive sailing. Dona co-chairs the Bertarelli Foundation, focusing on marine conservation and neuroscience research. She is also a celebrated sailor, holding records and winning prestigious races, including the Bol d'Or Mirabaud. Dona is also involved in various initiatives related to ocean protection and sustainable business practices.

The Full Dossier

Early Life and Education

Dona Bertarelli was born in Rome, Italy, on March 3, 1968. She is the daughter of Maria Iris and Fabio Bertarelli. Dona and her brother, Ernesto, inherited the biotechnology company Serono, founded in 1906, which served as the foundation of the family's wealth. She holds a Bachelor of Science degree from Boston University's College of Communication.

Rise to Success

Dona Bertarelli was actively involved in Serono, the family business. From 1992 to 1997, she served as the Executive Director of Public and Professional Affairs, where she established the Serono Symposia and the Serono Foundation. The company was later sold to Merck KGaA in 2007. Following the sale of Serono, Dona has focused on her investments and philanthropic endeavors.

Key Business Strategies

Dona Bertarelli’s business acumen and strategic vision were evident during her time at Serono, contributing to its growth and success. She now focuses on ventures related to wellness, hospitality, and lifestyle, leveraging her family's background in life sciences.

Philanthropy

Dona Bertarelli is deeply committed to philanthropy, particularly through the Bertarelli Foundation, which she co-chairs with her brother. The foundation supports neuroscience research, ocean conservation, and local communities. Dona has also founded the Pew Bertarelli Ocean Legacy and Global Fishing Watch Marine Manager to advance ocean conservation.

Career Timeline

2020

Special Adviser for the Blue Economy, UNCTAD

Advising on the blue economy.

2016

Fastest Woman to Sail Around the World

Completed a non-stop circumnavigation of the world.

2013

Won Rolex Fastnet Race

Achieved victory with Spindrift Racing.

2010

Won Bol d'Or Mirabaud

First female helmswoman to win the race.

1999

Co-founded the Bertarelli Foundation

Focused on scientific, social, and economic knowledge in the field of infertility.

1992

Executive Director of Public and Professional Affairs, Serono

Established the Serono Symposia and the Serono Foundation.

Philanthropic Impact

Marine conservation and scientific research$XB

Bertarelli Foundation

Supports neuroscience research, ocean conservation, and local communities.

Ocean conservation$XB

Pew Bertarelli Ocean Legacy

Works with The Pew Charitable Trusts to advance ocean conservation.

Wealth Trajectory