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Ralph Dommermuth

Ralph Dommermuth

Ralph Dommermuth (#1174)

Global Rank #1174
Country Rank #72
Country Germany

In my office, presentations are not allowed. A good idea fits into a beer coaster.

  • $ 4 B
  • Internet service provider
  • Germany
  • M
  • 62 Years

Snapshot

Quick Facts

Global Rank #1,174
Country Rank #72
Net Worth $3.6B
Previous Worth $3.6B
Worth Change +$0.0B
Country Germany
Industry Internet service provider
Age 62 Years
Gender M
Worth As Of May 4, 2026
Last Refreshed 12 Sep 2026, 12:00 AM
Residence Montabaur, Germany
World Billionaires List Germany Billionaires Internet service provider

Profile Data

Personal Stats

Age 62
Source Of Wealth Internet service provider, Self Made
Residence Montabaur, Germany
Citizenship Germany
Marital Status Married
Children 1
Net Worth Change +$0.0B +0.0% from previous worth
Previous Net Worth $3.6B
Current Net Worth $3.6B

Worth as of May 4, 2026

About Me

Ralph Dommermuth leads United Internet, one of Europe's leading internet specialists serving home users and businesses. He launched United Internet's predecessor company, 1&1 AG, in 1988 with a borrowed desk and $285,000 saved from working as a computer salesman. 1&1 became the first internet company listed on Germany's stock exchange for high-tech companies, the Neuer Markt, in 1998. United Internet, of which Dommermuth owns around 50%, has expanded its offerings to include mobile telecommunication services and data centers.

Insights

Did You Know?

Dommermuth owns a 5% stake in Borussia Dortmund, a soccer club in the German Bundesliga.

Dommermuth is married to the fashion designer Judith Dommermuth, who sits on Borussia Dortmund's supervisory board.

Wealth Growth

Net Worth Growth Over Time

Tracking Ralph Dommermuth's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth
Period Change Worth Movement
Current Net Worth: $3.6B (May 4, 2026)

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