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Sari Leppanen

CIO & CTO (Chief Technology & Information Officer) at DNA Oyj

CTO C-Suite
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Helsinki, Uusimaa, Finland
dna.fi

Company Details

Company: DNA Oyj
Industry: telecommunications
Employees: 1500
Revenue: 1064287000
HQ Location: Helsinki, Finland
Company LinkedIn: Pro only

Technology Stack

Amazon CloudFront Route 53 Outlook Microsoft Office 365 Amazon AWS Bootstrap Framework Twitter Advertising YouTube Nginx Hotjar Facebook Login (Connect) AppNexus Google Play Linkedin Marketing Solutions Shutterstock Adform Google AdSense Facebook Widget Bing Ads reCAPTCHA

Professional Summary

Sari Leppanen is CIO & CTO (Chief Technology & Information Officer) at DNA Oyj. DNA Oyj operates in the telecommunications industry and has 1500 employees. Based in Helsinki, Uusimaa, Finland. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Amazon CloudFront, Route 53, Outlook, Microsoft Office 365, Amazon AWS, and 30 other technologies. DNA Oyj reports annual revenue of 1064287000.

Industry & Role Insights

  • • CTO Rank tracks 138,833 CTO leaders with verified contact information.
  • • There are 10,929 tech leaders in the telecommunications industry in our database.
  • • We have verified contacts for 3 tech leaders at DNA Oyj.
  • • 1,330 tech leaders in Uusimaa are available in our database.
C-Suite level · CTO
Verified Apr 23, 2026

Position in the CTO Rank Database

  • • Sari Leppanen is 1 of 140,489 leaders with the CTO role tracked in the CTO Rank database.
  • • 3,048 hold the CTO role at telecommunications companies (out of 11,085 total telecommunications leaders in our database).
  • • 609 hold the CTO role in Uusimaa.
  • • 320 hold the CTO role at companies with 1500 employees.
  • • Typical CTO compensation in Uusimaa: $250,000 – $650,000 (median $420,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.

Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.

Frequently Asked Questions

How do I contact Sari Leppanen?

Sari Leppanen has a verified email address on file on CTO Rank. They work at DNA Oyj. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Sari Leppanen work for?

Sari Leppanen is CIO & CTO (Chief Technology & Information Officer) at DNA Oyj, a company in the telecommunications industry with 1500 employees. The company is headquartered in Helsinki, Finland.

What is Sari Leppanen's role in technology leadership?

Sari Leppanen is classified as a CTO leader at the c-suite level.

What technologies does Sari Leppanen's organization use?

Sari Leppanen's organization uses a technology stack that includes Amazon CloudFront, Route 53, Outlook, Microsoft Office 365, Amazon AWS, Bootstrap Framework. This information is useful for sales teams, recruiters, and technology vendors.

Is Sari Leppanen open to recruiting or new opportunities?

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

Can I pitch or sell to Sari Leppanen at DNA Oyj?

Sari Leppanen is CIO & CTO (Chief Technology & Information Officer) at DNA Oyj. CTOs like Sari Leppanen typically evaluate vendors in Amazon CloudFront, Route 53, Outlook, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Sari Leppanen's profile data?

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