![](/res/blank-m.jpg)
Ralph Dommermuth
$2.46B
as of 07/05/24
About Ralph Dommermuth
Ralph Dommermuth leads United Internet, one of Germany's largest Internet access providers serving home users and small- to medium-sized businesses.
He launched United's predecessor company, 1&1 AG, in 1988 with a borrowed desk and $285,000 saved from working as a computer salesman.
United went public on Germany's stock exchange for high-tech companies, the Neuer Markt, in 1998.
United, of which Dommermuth owns just over 50%, has expanded its offerings to include mobile telecommunication services and data centers.
Personal stats
Citizenship
GermanySource of wealth
Internet service providerResidence
Montabaur, GermanyMarital status
MarriedBirth date
11/19/63 (age 60)Number of children
1Self-made
self-madeRalph Dommermuth’s fortune is worth
![](/res/goldbars.png)
41K
troy ounces of gold
![](/res/savings.png)
38K
median U.S. household
![](/res/income.png)
25K
median U.S. income
![](/res/credit-card.png)
0.049%
U.S. credit card volume
![](/res/earnings.png)
0.01%
GDP of the United States
![](/res/debt.png)
0.007%
United States debt
Net worth history
Annual ranking
Did you know?
Dommermuth owns a 4% stake in Borussia Dortmund, a soccer club in the German Bundesliga.
Net worth over time
Real-time ranking
Financial assets
XETRA | BVB-DE
Borussia DortmundXETRA | UTDI-DE
United Internet AGImages © Forbes.com. All rights reserved.