Open-Xchange Employee Directory

Software DevelopmentNordrhein-Westfalen, Germany201-500 Employees

About Open-Xchange

Open-Xchange (OX) is a market leader in mail/messaging and DNS-based security services, with more than 220m seats sold through international hosting and telco providers worldwide, including partners such as IONOS, Orange, Italiaonline, Comcast, GoDaddy, NTT and Softbank.

We at OX have our roots in Open Source, and this has shaped our view of the world and culture – open, diverse, and with a bias to act, giving everyone at OX room to take responsibility within their team and grow. OX believes in an internet that is open, safe and free. We want to create competitive products that allow our providers to deliver secure internet services with great user experience, and that respect privacy and generate value.

With some 270+ people worldwide, OX develops and operates Open Source software (aaS) for mail/messaging (OX App Suite, OX Guard) and collaboration/productivity (OX Drive, OX Documents). OX Dovecot is the world’s dominant open-source IMAP server software, and our OX PowerDNS provides secure DNS services to our telco customers and their users.

Our business is fast-paced and changing constantly. We are looking for people who share our beliefs, who are out there to make a difference, are entrepreneurial and enjoy working in a high-tech environment as part of a truly international team. OX is headquartered in Cologne, Germany, with further locations throughout Germany (Bremen, Dortmund, Hamburg, Nuremberg and Olpe), the USA (Palo Alto, CA, and New York, NY), Finland (Espoo), the Netherlands (Den Haag), Italy (Turin), and Japan (Tokyo).

Interested in working at Open-Xchange? 
Please visit: https://careers.open-xchange.com/jobs

Find Open-Xchange employees' phone numbers or email addresses

Open-Xchange Global Highlights

Location
Employees

Europe
183

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  • Germany
    141
  • Italy
    10
  • Spain
    9
  • Netherlands
    6
  • France
    5
  • Finland
    5
  • United Kingdom Of Great Britain And Northern Ireland
    3
  • Austria
    2
  • Denmark
    1
  • Romania
    1

North America
26

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  • United States Of America
    26

Asia
2

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  • Japan
    2

Open-Xchange's Leadership

  • Stylized image of a person
    A. G.
    Chief Executive Officer
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  • Stylized image of a person
    M. S.
    Cfo
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  • Stylized image of a person
    S. M.
    Chief Operating Officer
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  • Stylized image of a person
    D. V.
    Chief Financial Officer
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  • Stylized image of a person
    M. H.
    Chief Information Security Officer
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  • Stylized image of a person
    T. S.
    Chief Architect
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  • Stylized image of a person
    F. S.
    Vice President Product Management, Customer Success, Business Intelligence & Marketing
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  • Stylized image of a person
    M. A. G.
    Vp Sales - Americas
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Open-Xchange Employee Metrics

100%
50%
0%
2025
2024
  • Engineering
  • Sales
  • Solutions Engineering
  • Operations
  • Customer Success
  • Other
  • Product Management

Contact profiles from Open-Xchange

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    A. G.
    Chief Executive Officer
    Phone icon
    GermanyBerlin
    Mar 07, 2024
  • Stylized image of a person
    S. M.
    Chief Operating Officer
    Phone icon
    GermanyHamburg
    Mar 25, 2024
  • Stylized image of a person
    D. V.
    Chief Financial Officer
    Phone icon
    GermanyNorth Rhine-Westphalia
    Mar 07, 2024
  • Stylized image of a person
    M. H.
    Chief Information Security Officer
    Phone icon
    GermanyNorth Rhine-Westphalia
    Nov 04, 2025
  • Stylized image of a person
    M. S.
    Cfo
    Phone icon
    United StatesNew York
    Oct 22, 2025
  • Stylized image of a person
    F. S.
    Vice President Product Management, Customer Success, Business Intelligence & Marketing
    Phone icon
    Oct 24, 2025
  • Stylized image of a person
    M. A. G.
    Vp Sales - Americas
    Phone icon
    United StatesGeorgia
    Oct 24, 2025
  • Stylized image of a person
    C. S.
    Vp Sales Powerdns Global
    Phone icon
    GermanyBavaria
    Nov 10, 2025
  • Stylized image of a person
    S. P.
    Senior Vice President Delivery & Cloud Engineering
    Phone icon
    GermanyNorth Rhine-Westphalia
    Nov 05, 2025
  • Stylized image of a person
    J. T.
    Vice President Product Management @ Ox
    Phone icon
    GermanyHesse
    Oct 22, 2025

Frequently Asked Questions

What is Open-Xchange known for?

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Open-Xchange was founded in 2005 operates in the Software Development industry. The company's main headquarters is located in Hohenzollernring 72 Köln, Nordrhein-Westfalen 50672 DE; you can contact the main corporate office by phone at . Explore Open-Xchange's company overview page for more information.

What is Open-Xchange's most common email format?

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Open-Xchange employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Open-Xchange email formats with LeadIQ.

How many employees does Open-Xchange have currently?

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Open-Xchange has approximately 201 employees as of October 2025. These team members are located across 3 continents, including EuropeNorth AmericaAsia.

Who are Open-Xchange's key employees and leadership?

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As of October 2025, Open-Xchange's key employees include:

  • Chief Executive Officer: A. G.
  • Cfo: M. S.
  • Chief Operating Officer: S. M.
  • Chief Financial Officer: D. V.
  • Chief Information Security Officer: M. H.

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