| Ralph Dommermuth | |
|---|---|
| Born | 1963 (age 53–54) |
| Residence | Montabaur, Germany |
| Nationality | German |
| Occupation | Chairman and CEO, United Internet |
| Net worth | $4.7 billion (December 2015) |
| Children | 1 |
Ralph Dommermuth (born 1963) is a German businessman, the founder, chairman and CEO of United Internet.
Dommermuth trained as a banker, before moving into computer sales in Montabaur, Germany.
In 1988, Dommermuth founded United Internet, and has been its CEO ever since.
Dommermuth owns 40% of United Internet, the Germany-headquartered broadband provider, which manages the 1&1, GMX and Web.de brands, with 2015 turnover of Euro 3.7 billion, and 48 million customers in 11 countries.
Dommermuth is Germany's sole Internet billionaire, and the country's youngest self-made billionaire.
He is divorced with one child and lives in Montabaur, Germany.