1&1 Telecommunication SE Information

View Top Employees from 1&1 Telecommunication SE

1&1 gehört mit über 3.200 Mitarbeitenden und fast 16 Millionen Kundenverträgen zu den führenden Telekommunikationsanbietern in Deutschland. Mit Pioniergeist, ungewöhnlichen Ideen und kreativen Teams haben wir eine führende Marktstellung im Mobilfunk und bei Breitband-Anschlüssen erobert. Durch die Kombination des über 50.000 km langen 1&1 Glasfasernetzes und regionalen Netzen schaffen wir das weitreichendste Glasfasernetz Deutschlands. Außerdem bauen wir das modernste 5G-Netz Europas, auf der Basis der neuartigen Open-RAN-Technologie. Mit offenen Schnittstellen und 5G-Funktionen in einer leistungsfähigen Cloud-Infrastruktur. Werden Sie Teil von 1&1. DATENSCHUTZ: https://www.1und1.de/Datenschutz IMPRESSUM: https://unternehmen.1und1.de/impressum/

Website	https://www.1und1.de
Revenue	$4.1 billion
Employees	1,474 (933 on RocketReach)
Founded	1988
Phone	(490) 721-9600
Industry	Telecommunications, Hardware
Keywords	Telecommunication Services, Web Hosting, Telecom Provider, Domain Registration, Internet Access, Mobile Network, Online Services, Technology Solutions, Cloud Services, Mobile Phone Plans, Email Hosting, Server Solutions, Managed Services, Network Infrastructure, Website Builder, Virtual Private Servers, Online Marketing, Dedicated Servers, Internet Security
Competitors	Vodafone, Colt Technology Services, Deutsche Telekom, IONOS, United Internet AG, NetCologne, EQT Partners/EQT AB, o2 Deutschland, Telefónica Business Sales, Telefónica +38 more (view full list)

1&1 Telecommunication SE Questions

What is the annual revenue of 1&1 Telecommunication SE?

The 1&1 Telecommunication SE annual revenue was $4.1 billion in 2026.

Who is the CEO 1 and 1 Mobilfunk GmbH and Vorstandsmitglied bei 1 and 1 Telecommunication SE of 1&1 Telecommunication SE?

Michael Martin is the CEO 1 and 1 Mobilfunk GmbH and Vorstandsmitglied bei 1 and 1 Telecommunication SE of 1&1 Telecommunication SE.

How many people are employed at 1&1 Telecommunication SE?

933 people are employed at 1&1 Telecommunication SE.

Top 1&1 Telecommunication SE Employees

Michael Martin

CEO 1 and 1 Mobilfunk GmbH and Vorstandsmitglied bei 1 and 1 Telecommunication SE at 1&1 Telecommunication SE

Düsseldorf, NRW, DE
2
- gmx.at
- 1und1.de
5+
- 431277XXXX
- 43664252XXXX
- 4176777XXXX
- 43664361XXXX
- 436606606XXXX
- 436991699XXXX
Stefan Zoerner

Senior Vice President and Head of Operational Business Performance Management at 1&1 Telecommunication SE

Wachtberg, NRW, DE
2
- gmx.de
- 1und1.de
Tobias Koch

Managing Director Operations and Customer Care at 1&1 Telecommunication SE

Montabaur, RP, DE
1
- 1und1.de
Cretien Brandsma

Member of the Management Board at 1&1 Telecommunication SE

Karlsruhe, BW, DE
1
- 1und1.de
2
- 2782999XXXX
- 3164622XXXX
Monika Weninger

Vorstand Online-Marketing and Member of the Management Board at 1&1 Telecommunication SE

Nuremberg, BY, DE
1
- 1und1.de
1
- 491514062XXXX
Anette Kreitel-Suciu

Head of Group HR 1 and 1 AG at 1&1 Telecommunication SE

Montabaur, RP, DE
1
- 1und1.de
Thomas Kahmann

Head of Public Relations at 1&1 Telecommunication SE

Düsseldorf, NRW, DE
3
- gmail.com
- 1und1.de
- gmx.de
5
- 4949170370XXXX
- 4949174977XXXX
- 49170370XXXX
- 49531390XXXX
- 49.531209XXXX
Sebastian May

Head of IT Governance and Steering at 1&1 Telecommunication SE

Montabaur, RP, DE
2
- gmx.li
- 1und1.de
Vitaliy Sergeev

Head of Employer Branding, Recruiting and HR Projects at 1&1 Telecommunication SE

Frankfurt, HE, DE
1
- 1und1.de
1
- 490615180XXXX

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1&1 Telecommunication SE Information

1&1 Telecommunication SE Questions

What is the annual revenue of 1&1 Telecommunication SE?

Who is the CEO 1 and 1 Mobilfunk GmbH and Vorstandsmitglied bei 1 and 1 Telecommunication SE of 1&1 Telecommunication SE?

How many people are employed at 1&1 Telecommunication SE?

Top 1&1 Telecommunication SE Employees

Michael Martin

CEO 1 and 1 Mobilfunk GmbH and Vorstandsmitglied bei 1 and 1 Telecommunication SE at 1&1 Telecommunication SE

Stefan Zoerner

Senior Vice President and Head of Operational Business Performance Management at 1&1 Telecommunication SE

Tobias Koch

Managing Director Operations and Customer Care at 1&1 Telecommunication SE

Cretien Brandsma

Member of the Management Board at 1&1 Telecommunication SE

Monika Weninger

Vorstand Online-Marketing and Member of the Management Board at 1&1 Telecommunication SE

Anette Kreitel-Suciu

Head of Group HR 1 and 1 AG at 1&1 Telecommunication SE

Thomas Kahmann

Head of Public Relations at 1&1 Telecommunication SE

Sebastian May

Head of IT Governance and Steering at 1&1 Telecommunication SE

Vitaliy Sergeev

Head of Employer Branding, Recruiting and HR Projects at 1&1 Telecommunication SE

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1&1 Telecommunication SE Information

1&1 Telecommunication SE Questions

What is the annual revenue of 1&1 Telecommunication SE?

Who is the CEO 1 and 1 Mobilfunk GmbH and Vorstandsmitglied bei 1 and 1 Telecommunication SE of 1&1 Telecommunication SE?

How many people are employed at 1&1 Telecommunication SE?

Top 1&1 Telecommunication SE Employees

Michael Martin

CEO 1 and 1 Mobilfunk GmbH and Vorstandsmitglied bei 1 and 1 Telecommunication SE at 1&1 Telecommunication SE

Stefan Zoerner

Senior Vice President and Head of Operational Business Performance Management at 1&1 Telecommunication SE

Tobias Koch

Managing Director Operations and Customer Care at 1&1 Telecommunication SE

Cretien Brandsma

Member of the Management Board at 1&1 Telecommunication SE

Monika Weninger

Vorstand Online-Marketing and Member of the Management Board at 1&1 Telecommunication SE

Anette Kreitel-Suciu

Head of Group HR 1 and 1 AG at 1&1 Telecommunication SE

Thomas Kahmann

Head of Public Relations at 1&1 Telecommunication SE

Sebastian May

Head of IT Governance and Steering at 1&1 Telecommunication SE

Vitaliy Sergeev

Head of Employer Branding, Recruiting and HR Projects at 1&1 Telecommunication SE

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