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Billionaire Profile
Ernesto Bertarelli
Global Rank
#266

Image: St. Gallen Symposium  | CC BY-SA 4.0 | via Wikimedia Commons

Ernesto Bertarelli

CEO, Biotech
SWITZERLAND
Real-Time Net Worth
$11.544B
Estimated based on Biotech stock value as of March 6, 2026
-0.02% (24h)
Age
60
Source
Biotech, investments
Industry
Healthcare
Citizenship
SWITZERLAND

Biography

Ernesto Bertarelli is a Swiss-Italian billionaire businessman, investor, and philanthropist. Born in Rome, Italy, on September 22, 1965, he is best known for transforming the family's pharmaceutical company, Serono, into a global biotechnology leader, before selling it to Merck KGaA for $13.3 billion. His current estimated net worth is $12 billion, primarily derived from his biotech and investment ventures. Bertarelli is the chairman of the B-Flexion group, an investment firm. He is also known for his passion for sailing, having founded the Alinghi sailing team, which won the America's Cup twice.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Ernesto Bertarelli was born in Rome, Italy, on September 22, 1965. His family moved to Switzerland in 1977. He graduated from Babson College in 1989 with a degree in business administration and earned an MBA from Harvard Business School in 1993.

Rise to Success

In 1996, Bertarelli became CEO of Serono, a pharmaceutical company founded by his grandfather. Under his leadership, the company shifted its focus to biotechnology. Revenues increased from $809 million in 1996 to $2.8 billion in 2006. In 2007, he sold Serono to Merck KGaA for $13.3 billion. Following the sale of Serono, Bertarelli diversified his wealth through B-Flexion, an investment firm active in real estate, life sciences, hedge funds, sports, and technology.

Key Business Strategies

Bertarelli's key strategies included:

  • Transforming Serono into a biotechnology leader.
  • Focusing on innovative treatments.
  • Expanding revenues through strategic business decisions.
  • Diversifying investments through B-Flexion.

Philanthropy

Bertarelli co-chairs the Bertarelli Foundation, which focuses on marine conservation and neuroscience research.

Career Milestones

1996

CEO of Serono

Became CEO of the family's pharmaceutical company, Serono.

1998

Inherited ownership of Serono

Inherited ownership of Serono with his sister Dona.

2007

Sold Serono to Merck KGaA

Sold Serono to Merck KGaA for $13.3 billion.

2000

Founded Alinghi sailing team

Founded Alinghi, which won the America's Cup twice.

Philanthropy & Social Impact

Marine Conservation and Neuroscience

Bertarelli Foundation

N/A

Focuses on marine conservation and neuroscience research.

Medical Research

Harvard Medical School

$75M

Pledged $75 million to transform Harvard Medical School's Building C into the Bertarelli Building.

Medical Research

Rare Cancers Fund at Harvard Medical School

$15M

Established the Rare Cancers Fund at Harvard Medical School to advance research in underfunded aggressive cancers.

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