Ralph Dommermuth
Ralph Dommermuth (born 1963) is a German businessman who founded, chairs and leads United Internet AG, one of Germany's largest internet and telecommunications companies. He established the firm's predecessor, 1&1 EDV Marketing GmbH, in 1988 and built it into a major broadband and mobile provider operating brands such as 1&1, GMX and Web.de. His estimated net worth is approximately $6.5 billion.
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