SIDN logo

SIDN Employee Directory

Technology, Information and InternetGelderland, Netherlands51-200 Employees

SIDN is a technology and internet infrastructure organization based in Arnhem, Gelderland, Netherlands. It operates the .nl domain by registering names and ensuring they resolve for users worldwide, handling a vast daily volume of search queries and supporting reliable email delivery. The organization develops services and solutions built on secure domains and digital identities to support safer and more convenient online life.

Its customers include domain registrants and internet users around the world, with a primary focus on the stability and accessibility of the .nl ecosystem and its DNS. SIDN Labs conducts research to devise new technologies and systems that improve the resilience and security of the .nl domain, the DNS, and broader internet infrastructure. Through the SIDN Fund, the organization supports social initiatives aimed at promoting internet use and addressing related negative effects.

Find SIDN employees' phone numbers or email addresses

SIDN Global Highlights

Location
Employees

Europe
110

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  • Netherlands
    107
  • France
    1
  • Portugal
    1
  • Spain
    1

SIDN's Leadership

  • Chief Executive Officer at SIDN
    R. M.
    Chief Executive Officer
  • Cfo at SIDN
    L. V. D. B.
    Cfo
  • Chief Technology Officer at SIDN
    L. B.
    Chief Technology Officer
  • Chief Information Security Officer (ciso) at SIDN
    F. S.
    Chief Information Security Officer (ciso)
  • Commercieel Directeur at SIDN
    A. M.
    Commercieel Directeur
  • Manager Transitie .Nl, It & Security at SIDN
    G. K.
    Manager Transitie .Nl, It & Security
  • Marketing Manager & Product Owner at SIDN
    M. H.
    Marketing Manager & Product Owner
  • Lead Product Owner/ Lead Product Manager - Registry Services at SIDN
    P. P.
    Lead Product Owner/ Lead Product Manager - Registry Services

SIDN Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Information Security
  • Product Management
  • Accounting
  • Administrative
  • Other

Contact profiles from SIDN

Name
Title
Contact
Location
Last Update
  • Product Owner at SIDN
    C. F.
    Product Owner
    Netherlands, Gelderland
    Jun 27, 2026
  • Relationship Manager at SIDN
    J. W.
    Relationship Manager
    Netherlands, Overijssel
    Mar 25, 2026
  • Manager Hrm at SIDN
    J. B.
    Manager Hrm
    Netherlands, Gelderland
    Apr 15, 2026
  • Sales Marketing Manager at SIDN
    L. S.
    Sales Marketing Manager
    Netherlands, North Holland
    Sep 04, 2026
  • Legal & Policy Manager / Company Secretary / Mt Member at SIDN
    M. S.
    Legal & Policy Manager / Company Secretary / Mt Member
    Netherlands, Gelderland
    Jun 28, 2026
  • Manager Communicatie at SIDN
    M. V. D.
    Manager Communicatie
    Netherlands
    Jun 26, 2026
  • Manager Cloud Engineering at SIDN
    P. D. B.
    Manager Cloud Engineering
    Netherlands, Gelderland
    Sep 16, 2026
  • Manager Bedrijfsbureau at SIDN
    R. V. V.
    Manager Bedrijfsbureau
    Netherlands, Gelderland
    Sep 16, 2026
  • Manager Control & Ondersteuning at SIDN
    J. H.
    Manager Control & Ondersteuning
    Netherlands, Gelderland
    Mar 05, 2024
  • Senior System Engineer at SIDN
    M. G.
    Senior System Engineer
    Netherlands, Gelderland
    Oct 12, 2026

Frequently Asked Questions

What is SIDN known for?

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SIDN was founded in 1996 and operates in the Technology, Information and Internet industry. You can contact SIDN's main corporate office by phone at . Explore SIDN's company overview page for more information.

What is SIDN's most common email format?

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SIDN employees' email format typically follows the pattern of First.Last@sidn.nl. Trying to find reliable and up-to-date employee contact data? Find more SIDN email formats with LeadIQ.

How many employees does SIDN have currently?

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SIDN has approximately 135 employees as of October 2026. These team members are located across 1 continents, including Europe.

Who are SIDN's key employees and leadership?

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As of October 2026, SIDN's key employees include:

  • Chief Executive Officer: R. M.
  • Cfo: L. V. D. B.
  • Chief Technology Officer: L. B.
  • Chief Information Security Officer (ciso): F. S.
  • Commercieel Directeur: A. M.

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