Company Details
Technology Stack
Professional Summary
Sergii Opanasenko is Founder, CTO at Greenice. Greenice operates in the information technology & services industry and has 55 employees. Based in Kyiv, Kyiv city, Ukraine. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Sendgrid, Gmail, Google Apps, Microsoft Office 365, Google Cloud Hosting, and 5 other technologies.
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 3 tech leaders at Greenice.
- • 292 tech leaders in Kyiv city are available in our database.
Position in the CTO Rank Database
- • Sergii Opanasenko 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).
- • 173 hold the CTO role in Kyiv city.
- • 361 hold the CTO role at companies with 55 employees.
- • Typical CTO compensation in Kyiv city: $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 May 2026.
Frequently Asked Questions
How do I contact Sergii Opanasenko?
Sergii Opanasenko has a verified email address on file on CTO Rank. They work at Greenice. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Sergii Opanasenko work for?
Sergii Opanasenko is Founder, CTO at Greenice, a company in the information technology & services industry with 55 employees. The company is headquartered in Kyiv, Khmelnytskyi Oblast, Ukraine.
What is Sergii Opanasenko's role in technology leadership?
Sergii Opanasenko is classified as a CTO leader at the c-suite level.
What technologies does Sergii Opanasenko's organization use?
Sergii Opanasenko's organization uses a technology stack that includes Sendgrid, Gmail, Google Apps, Microsoft Office 365, Google Cloud Hosting, Mobile Friendly. This information is useful for sales teams, recruiters, and technology vendors.
Is Sergii Opanasenko open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Sergii Opanasenko using the verified contact information available to Pro members. When recruiting a Founder, CTO, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Sergii Opanasenko at Greenice?
Sergii Opanasenko is Founder, CTO at Greenice. CTOs like Sergii Opanasenko typically evaluate vendors in Sendgrid, Gmail, Google Apps, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Sergii Opanasenko's profile data?
CTO Rank verifies and refreshes profile data weekly. Sergii Opanasenko's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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