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Stefan Roest

CTO at Eternalsun Spire

CTO C-Suite
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Pro only
Pro only
Pro only
Delft, Zuid-Holland, Netherlands

Company Details

Company: Eternalsun Spire
Industry: renewables & environment
Employees: 220
Revenue: 5000000
HQ Location: The Hague, South Holland, Netherlands
Company LinkedIn: Pro only

Technology Stack

Gmail Google Apps reCAPTCHA Gravity Forms Google Tag Manager Google Analytics Mobile Friendly Linkedin Marketing Solutions YouTube Hotjar Nginx WordPress.org Remote AI

Professional Summary

Stefan Roest is CTO at Eternalsun Spire. Eternalsun Spire operates in the renewables & environment industry and has 220 employees. Based in Delft, Zuid-Holland, Netherlands. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Gmail, Google Apps, reCAPTCHA, Gravity Forms, Google Tag Manager, and 9 other technologies. Eternalsun Spire reports annual revenue of 5000000.

Industry & Role Insights

  • • CTO Rank tracks 138,833 CTO leaders with verified contact information.
  • • There are 2,934 tech leaders in the renewables & environment industry in our database.
  • • 187 tech leaders in Zuid-Holland are available in our database.
C-Suite level · CTO
Verified Apr 18, 2026

Position in the CTO Rank Database

  • • Stefan Roest is 1 of 140,489 leaders with the CTO role tracked in the CTO Rank database.
  • • 1,154 hold the CTO role at renewables & environment companies (out of 2,947 total renewables & environment leaders in our database).
  • • 103 hold the CTO role in Zuid-Holland.
  • • 537 hold the CTO role at companies with 220 employees.

Data sourced from 484,726 tech leadership profiles. Updated May 2026.

Frequently Asked Questions

How do I contact Stefan Roest?

Stefan Roest has a verified email address on file on CTO Rank. They work at Eternalsun Spire. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Stefan Roest work for?

Stefan Roest is CTO at Eternalsun Spire, a company in the renewables & environment industry with 220 employees. The company is headquartered in The Hague, South Holland, Netherlands.

What is Stefan Roest's role in technology leadership?

Stefan Roest is classified as a CTO leader at the c-suite level.

What technologies does Stefan Roest's organization use?

Stefan Roest's organization uses a technology stack that includes Gmail, Google Apps, reCAPTCHA, Gravity Forms, Google Tag Manager, Google Analytics. This information is useful for sales teams, recruiters, and technology vendors.

Is Stefan Roest open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Stefan Roest using the verified contact information available to Pro members. When recruiting a CTO, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to Stefan Roest at Eternalsun Spire?

Stefan Roest is CTO at Eternalsun Spire. CTOs like Stefan Roest typically evaluate vendors in Gmail, Google Apps, reCAPTCHA, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Stefan Roest's profile data?

CTO Rank verifies and refreshes profile data weekly. Stefan Roest's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.