What departments does SIDN have?

SIDN has employees across 15 departments including Engineering, Information Security, Finance, Entrepreneurship, Accounting.

What is the largest department at SIDN?

The largest department at SIDN is Engineering with 10 employees.

Where are SIDN employees located globally?

SIDN has employees across 1 continents and 2 countries including Netherlands, Spain.

How has SIDN's team size changed over time?

SIDN's team has decreased from approximately 121 to 117 employees based on available data.

SIDN Employee Directory

Q: Who are SIDN's key employees and leadership?

SIDN's key employees include: Ceo: R. M., Cfo: L. V. D. B., Chief Technology Officer: L. B., Chief Information Security Officer (ciso): F. S..

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.

SIDN Global Highlights

Europe
119

Netherlands
118
Spain
1

SIDN's Leadership

R. M.
Ceo
Mobile Phone
Email
L. V. D. B.
Cfo
Mobile Phone
Email
L. B.
Chief Technology Officer
Mobile Phone
Email
F. S.
Chief Information Security Officer (ciso)
Mobile Phone
Email
C. V. D. W.
Medior Financial Controller
Mobile Phone
Email
M. V. O.
Business Controller
Mobile Phone
Email
G. K.
Manager Transitie .Nl, It & Security
Mobile Phone
Email
M. H.
Marketing Manager & Product Owner
Mobile Phone
Email

SIDN Employee Metrics

100%

50%

0%

2026

2025

Engineering
Information Security
Product Management
Accounting
Administrative
Other

Contact profiles from SIDN

Name

Title

Contact Info

Location

Last Update

B. G.
Manager Public Affairs
Mobile Phone
Email
NetherlandsNorth Holland
Nov 20, 2025
C. F.
Product Owner
Mobile Phone
Email
NetherlandsGelderland
Jun 27, 2026
J. W.
Relationship Manager
Mobile Phone
Email
NetherlandsOverijssel
Mar 25, 2026
J. B.
Manager Hrm
Mobile Phone
Email
NetherlandsGelderland
Apr 15, 2026
L. S.
Sales Marketing Manager
Mobile Phone
Email
NetherlandsNorth Holland
May 11, 2026
M. V. D.
Manager Communicatie
Mobile Phone
Email
Netherlands
Jun 26, 2026
P. D. B.
Manager Cloud Engineering
Mobile Phone
Email
NetherlandsGelderland
Jul 07, 2026
R. V. V.
Manager Bedrijfsbureau
Mobile Phone
Email
NetherlandsGelderland
Jun 29, 2026
J. H.
Manager Control & Ondersteuning
Mobile Phone
Email
NetherlandsGelderland
Mar 05, 2024
A. J.
Sr Executive Assistant
Mobile Phone
Email
NetherlandsGelderland
Jun 29, 2026

Frequently Asked Questions

What is SIDN known for?

SIDN was founded in 1996 operates in the Technology, Information and Internet industry; you can contact the main corporate office by phone at

+31-26-352-****

. Explore SIDN's company overview page for more information.

What is SIDN's most common email format?

SIDN employees' email format typically follows the pattern of . 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?

SIDN has approximately 138 employees as of July 2026. These team members are located across 1 continents, including Europe.

Who are SIDN's key employees and leadership?

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

Ceo: R. M.
Cfo: L. V. D. B.
Chief Technology Officer: L. B.
Chief Information Security Officer (ciso): F. S.
Medior Financial Controller: C. V. D. W.

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SIDN Employee Directory

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