Company Details
Technology Stack
Professional Summary
Ivan Caldarevic is CTO B3 Digital at Blockthree. Blockthree operates in the information technology & services industry and has 5 employees. Based in Zagreb, Croatia. Classified as a c-suite-level CTO leader. Their organization's technology stack includes MailJet, Outlook, Microsoft Office 365, Google Cloud Hosting, Render, and 2 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 Ivan Caldarevic?
Ivan Caldarevic has a verified email address on file on CTO Rank. They work at Blockthree. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Ivan Caldarevic work for?
Ivan Caldarevic is CTO B3 Digital at Blockthree, a company in the information technology & services industry with 5 employees. The company is headquartered in London, United Kingdom.
What is Ivan Caldarevic's role in technology leadership?
Ivan Caldarevic is classified as a CTO leader at the c-suite level.
What technologies does Ivan Caldarevic's organization use?
Ivan Caldarevic's organization uses a technology stack that includes MailJet, Outlook, Microsoft Office 365, Google Cloud Hosting, Render, AI. This information is useful for sales teams, recruiters, and technology vendors.
Is Ivan Caldarevic open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Ivan Caldarevic using the verified contact information available to Pro members. When recruiting a CTO B3 Digital, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Ivan Caldarevic at Blockthree?
Ivan Caldarevic is CTO B3 Digital at Blockthree. CTOs like Ivan Caldarevic typically evaluate vendors in MailJet, Outlook, Microsoft Office 365, and related categories. Use CTO Rank Pro to get verified email and approach directly.
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