Company Details
Technology Stack
Professional Summary
Sebastiaan is Founder & CTO at Classroomscreen. Classroomscreen operates in the education management industry and has 5 employees. Based in Netherlands. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Cloudflare DNS, SendInBlue, Gmail, Google Apps, Helpscout, and 8 other technologies.
Position in the CTO Rank Database
- • Typical CTO compensation: $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 Sebastiaan?
Sebastiaan has a verified email address on file on CTO Rank. They work at Classroomscreen. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Sebastiaan work for?
Sebastiaan is Founder & CTO at Classroomscreen, a company in the education management industry with 5 employees. The company is headquartered in Bunnik, Utrecht, Netherlands.
What is Sebastiaan's role in technology leadership?
Sebastiaan is classified as a CTO leader at the c-suite level.
What technologies does Sebastiaan's organization use?
Sebastiaan's organization uses a technology stack that includes Cloudflare DNS, SendInBlue, Gmail, Google Apps, Helpscout, CloudFlare Hosting. This information is useful for sales teams, recruiters, and technology vendors.
Is Sebastiaan open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Sebastiaan 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 Sebastiaan at Classroomscreen?
Sebastiaan is Founder & CTO at Classroomscreen. CTOs like Sebastiaan typically evaluate vendors in Cloudflare DNS, SendInBlue, Gmail, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Sebastiaan's profile data?
CTO Rank verifies and refreshes profile data weekly. Sebastiaan's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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