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Hafsteinn Halldorsson

Chief Technology Officer at HSO

CTO C-Suite
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Akureyri, Northeast, Iceland
hso.com

Company Details

Company: HSO
Industry: information technology & services
Employees: 2800
Revenue: 610000000
HQ Location: Veenendaal, Utrecht, Netherlands
Company LinkedIn: Pro only

Technology Stack

Amazon SES MessageGears Outlook Act-On Microsoft Azure Hosting Microsoft Dynamics 365 Marketing CloudFlare Leadfeeder YouTube DoubleClick Conversion DoubleClick Vimeo Cedexis Radar ClickDimensions Google Dynamic Remarketing reCAPTCHA Linkedin Marketing Solutions Bing Ads Google Tag Manager Facebook Widget

Professional Summary

Hafsteinn Halldorsson is Chief Technology Officer at HSO. HSO operates in the information technology & services industry and has 2800 employees. Based in Akureyri, Northeast, Iceland. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Amazon SES, MessageGears, Outlook, Act-On, Microsoft Azure Hosting, and 21 other technologies. HSO reports annual revenue of 610000000.

Industry & Role Insights

  • • CTO Rank tracks 138,833 CTO leaders with verified contact information.
  • • There are 166,587 tech leaders in the information technology & services industry in our database.
  • • We have verified contacts for 10 tech leaders at HSO.
C-Suite level · CTO
Verified Apr 22, 2026

Position in the CTO Rank Database

  • • Hafsteinn Halldorsson is 1 of 140,489 leaders with the CTO role tracked in the CTO Rank database.
  • • 62,499 hold the CTO role at information technology & services companies (out of 167,492 total information technology & services leaders in our database).
  • • 2 hold the CTO role in Northeast.
  • • 118 hold the CTO role at companies with 2800 employees.

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

Frequently Asked Questions

How do I contact Hafsteinn Halldorsson?

Hafsteinn Halldorsson has a verified email address on file on CTO Rank. They work at HSO. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Hafsteinn Halldorsson work for?

Hafsteinn Halldorsson is Chief Technology Officer at HSO, a company in the information technology & services industry with 2800 employees. The company is headquartered in Veenendaal, Utrecht, Netherlands.

What is Hafsteinn Halldorsson's role in technology leadership?

Hafsteinn Halldorsson is classified as a CTO leader at the c-suite level.

What technologies does Hafsteinn Halldorsson's organization use?

Hafsteinn Halldorsson's organization uses a technology stack that includes Amazon SES, MessageGears, Outlook, Act-On, Microsoft Azure Hosting, Microsoft Dynamics 365 Marketing. This information is useful for sales teams, recruiters, and technology vendors.

Is Hafsteinn Halldorsson open to recruiting or new opportunities?

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

Can I pitch or sell to Hafsteinn Halldorsson at HSO?

Hafsteinn Halldorsson is Chief Technology Officer at HSO. CTOs like Hafsteinn Halldorsson typically evaluate vendors in Amazon SES, MessageGears, Outlook, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Hafsteinn Halldorsson's profile data?

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