Billionaire Profile
Willy Michel
Global Rank
#846

Image: Public domain | via Wikimedia Commons

Willy Michel

CEO, Ypsomed
CH
Real-Time Net Worth
$4.5B
As of December 2025
Age
78
Source
Medical devices
Industry
healthcare
Citizenship
CH

Biography

Wilhelm "Willy" Michel, born in April 1947, is a Swiss entrepreneur and art collector, renowned for his significant contributions to the medical device industry. He founded Ypsomed, a company specializing in self-injection and diagnostic systems, and remains its controlling shareholder with a 71% stake. Michel's career began with experience in the pharmaceutical industry before founding Disetronic, which was later split and the injection business became Ypsomed. His net worth is estimated at $4.5 billion. He has received recognition for his entrepreneurial achievements, including the Master Entrepreneur award in 2005.

Wealth Over Time

In-Depth Profile

Early Life

Willy Michel was born on April 29, 1947, in Burgdorf, Switzerland. He spent his childhood in Burgdorf as the son of a railway foreman. He began his career with an apprenticeship as a lab technician and later gained experience in various industrial and pharmaceutical companies, focusing on development, sales, and marketing. He later was the head of Novo Nordisk Switzerland for six years.

Rise to Success

In 1984, Michel, along with his brother, founded Disetronic Holding AG, which focused on medical infusion systems, and later developed advanced insulin pumps. In 1996, the company went public. In 2003, Michel sold part of Disetronic to Roche. He then reacquired the injection systems part of the business, which he transformed into Ypsomed. Ypsomed specializes in developing, producing, and selling medical devices and systems, including insulin pumps and pen needles. Ypsomed has become a global leader in the healthcare industry, operating in over 80 countries.

Key Business Strategies

Michel's success stems from his innovative spirit and dedication to improving healthcare outcomes. He identified a market opportunity in the emerging medical technology field and focused on precision engineering, tapping into Swiss expertise in micro-mechanical engineering and microtechnology. He has successfully grown Ypsomed into a leading company, maintaining a significant stake in the company.

Philanthropy

Michel is known for his philanthropic efforts. He has made significant donations to various charitable organizations and educational institutions, including the Diabetes Center Bern, to which he contributed 50 million francs. He also supports the Museum Franz Gertsch.

Career Milestones

1978

Head of Novo Nordisk Switzerland

Served as the head of Novo Nordisk Switzerland for six years.

1984

Founded Disetronic Holding AG

Founded Disetronic with his brother, focusing on medical infusion systems and insulin pumps.

2003

Sold part of Disetronic to Roche, formed Ypsomed

Sold part of Disetronic to Roche, and formed Ypsomed from the injection systems business.

2004

Ypsomed went public

Successfully brought Ypsomed to the Swiss Stock Exchange.

Philanthropy & Social Impact

Healthcare

Diabetes Center Bern

$50M

Significant donations to the Diabetes Center Bern.

Arts

Museum Franz Gertsch

Unknown

Support for the Museum Franz Gertsch.