Ralph Dommermuth

$3.68 B

Ranked #1138 in World

About Ralph Dommermuth

German entrepreneur Ralph Dommermuth, born in 1963, rose from Deutsche Bank trainee to internet mogul, founding United Internet and pioneering Germany's digital landscape. With significant stakes in companies like 1&1 Drillisch AG, his leadership extends to creating innovative mobile networks and supporting Borussia Dortmund. Philanthropically, he contributed notably to political spheres, children's welfare through the United Internet for UNICEF foundation, and democratic causes with the Westerwelle Foundation. Dommermuth balances his formidable influence with family life in Montabaur.

Born

November 19, 1963

Age

62 years

Source Of Wealth

Internet Service Provider

Industries

Technology

Citizenship

Germany

Residence

Montabaur

Spouse

Judith Berger

Children

Ralph Dommermuth was born in 1963 in Montabaur, Germany. He grew up in the same town and received his initial training at Deutsche Bank.

Ralph Dommermuth: Family

Ralph Dommermuth's father was a realtor, and he has one brother. He is currently married to Judith Berger, a model and fashion entrepreneur, and they have a child together. Dommermuth also has a child from an earlier marriage.

Ralph Dommermuth: Career Highlights

Ralph Dommermuth started his career as a sales freelancer for a local PC dealer in 1983. In 1988, he co-founded 1&1 EDV Marketing GmbH, which later became United Internet. Under his leadership, the company grew into one of the largest broadband providers in Germany, with brands like 1&1, GMX, and Web.de. Dommermuth also participated in other IT companies like GMX and Schlund + Partner AG.

Ralph Dommermuth: Companies

Ralph Dommermuth is the founder and former CEO of United Internet, a broadband provider with brands like 1&1, GMX, and Web.de. He also owns over 75% of 1&1 Drillisch AG, a mobile network operator in Germany. Additionally, Dommermuth has served as a member of the Supervisory Board of Rocket Internet and co-founded the Westerwelle Foundation.

Ralph Dommermuth: Major Achievements

Ralph Dommermuth's major achievements include founding and growing United Internet into one of the largest broadband providers in Germany. He also successfully participated in the 5G frequency auction in Germany in 2019, laying the foundation for a fourth mobile network. Additionally, Dommermuth has made significant contributions to charitable causes through his foundations and donations.

Ralph Dommermuth: Awards & Achievements

Ralph Dommermuth has received numerous awards and recognitions for his contributions to business and philanthropy. These include the German direct marketing prize in 1989, the "Gustav Rau Prize" in 2014, and the "Partner of the Year" award from UNICEF Germany in 2016.

Ralph Dommermuth: Personal Life & Legacy

Ralph Dommermuth lives in Montabaur, Germany, with his wife and children.

He is known for his philanthropic efforts and has made significant contributions to charitable causes through his foundations and donations. Dommermuth's legacy is one of entrepreneurship, innovation, and social responsibility.

Ralph Dommermuth: Trivia

Ralph Dommermuth provided the largest donation to a political party in Germany during the 2017 federal elections, €500,000 to the CDU. He is also a fan of Borussia Dortmund and became the club's shirt sponsor from the 2020/21 season. Additionally, Dommermuth acquired a 5.0 percent stake in Borussia Dortmund through his company.

Wealth History

Timeline

1963

Ralph Dommermuth is born in Montabaur, Germany.

1983

Starts as a sales freelancer for a local PC dealer.

1988

Founds 1&1 EDV Marketing GmbH with a business partner.

1989

Wins German direct marketing prize for "Software Börse".

1992

Commissioned by Deutsche Telekom to sell Bildschirmtext-access-points and T-Online accounts.

1996

Converts 1&1 into an internet service provider.

March 1998

1&1 has its IPO as the first German Internet company.

Early 2000s

Renames the company to United Internet during the internet boom.

2006

Founds the United Internet for UNICEF foundation to improve the living conditions of children and people in need.

2013

Co-founds the Westerwelle Foundation to promote international understanding and strengthen democracy in emerging countries.

2014

Serves as a member of the Supervisory Board of Rocket Internet.

2014

Receives the "Gustav Rau Prize".

2016

Receives the "Partner of the Year" award from UNICEF Germany.

2017

Contributes 1&1 Telecommunication SE to Drillisch AG, now owns over 75% of 1&1 Drillisch AG.

2017

Provides the largest donation to a political party in Germany during the federal elections, €500,000 to the CDU.

2018

Becomes Chairman of the Management Board of 1&1 AG.

2019

Successfully participates in the 5G frequency auction in Germany, laying the foundation for a fourth mobile network.

2020/21 season

Becomes Borussia Dortmund's shirt sponsor.

2021

Announces plans to build Europe's most innovative mobile network with Rakuten.

Ralph Dommermuth : FAQs

What is Ralph Dommermuth's current net worth?

Ralph Dommermuth's current net worth is $3.68 billion.

What is Ralph Dommermuth's current global rank among billionaires?

Ralph Dommermuth holds the 1138th position globally among billionaires.

What is Ralph Dommermuth's current ranking within the Germany?

Ralph Dommermuth holds the 72nd position in Germany.

What was the change in Ralph Dommermuth's net worth compared to the previous year?

Ralph Dommermuth's net worth increased by 10.95 million dollars compared to the previous year 2025, when his net worth was 3.67 billion dollars.

What is the recent change in Ralph Dommermuth's net worth?

Ralph Dommermuth's net worth increased by 6.55 million dollars recently, a 0.18% increase, with his net worth standing at 3.68 billion dollars.

What are Ralph Dommermuth's main sources of wealth?

Ralph Dommermuth's main source of income comes from Internet Service Provider.

In which industry does Ralph Dommermuth primarily operate?

Ralph Dommermuth is primarily involved in the Technology industry.

How old is Ralph Dommermuth?

Ralph Dommermuth is 62 years old.

How many children does Ralph Dommermuth have?

Ralph Dommermuth has 1 children.

Who is Ralph Dommermuth and when was he born?

Ralph Dommermuth is a German entrepreneur, born in 1963 in Montabaur, Germany. He is best known for founding the telecommunications company 1&1.

What significant milestones did Ralph Dommermuth achieve in his career?

Ralph Dommermuth founded 1&1 EDV Marketing GmbH in 1988, transformed it into an internet service provider by 1996, had its IPO in 1998, and became the Chairman of the Management Board of 1&1 AG in 2018. He also played a crucial role in the development of Germany's 5G network.

How has Ralph Dommermuth contributed to political and social causes?

Ralph Dommermuth donated €500,000 to the CDU in the 2017 federal elections, founded the United Internet for UNICEF foundation, co-founded the Westerwelle Foundation, and established the Ralph and Judith Dommermuth Foundation to support various charitable initiatives.

What role does Ralph Dommermuth play in the sports industry?

Ralph Dommermuth is involved in the sports industry as Borussia Dortmund's shirt sponsor from the 2020/21 season and has also acquired a 5.0 percent stake in the club through his company.

What can you tell us about Ralph Dommermuth's personal life?

In his personal life, Ralph Dommermuth is married to Judith Berger, a model and fashion entrepreneur, and has a child from an earlier marriage. He resides in Montabaur, Germany.