Company Details
Technology Stack
Professional Summary
Mike Grabowski is Co-Founder & Chief Technology Officer at Callstack. Callstack operates in the information technology & services industry and has 180 employees. Based in Wroclaw, Wojewodztwo dolnoslaskie, Poland. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Cloudflare DNS, Gmail, Google Apps, Amazon AWS, CloudFlare Hosting, and 28 other technologies. Callstack reports annual revenue of 50000000.
Position in the CTO Rank Database
- • Typical CTO compensation in Wojewodztwo dolnoslaskie: $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 Mike Grabowski?
Mike Grabowski has a verified email address on file on CTO Rank. They work at Callstack. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Mike Grabowski work for?
Mike Grabowski is Co-Founder & Chief Technology Officer at Callstack, a company in the information technology & services industry with 180 employees. The company is headquartered in Wroclaw, Wojewodztwo dolnoslaskie, Poland.
What is Mike Grabowski's role in technology leadership?
Mike Grabowski is classified as a CTO leader at the c-suite level.
What technologies does Mike Grabowski's organization use?
Mike Grabowski's organization uses a technology stack that includes Cloudflare DNS, Gmail, Google Apps, Amazon AWS, CloudFlare Hosting, Hubspot. This information is useful for sales teams, recruiters, and technology vendors.
Is Mike Grabowski open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Mike Grabowski using the verified contact information available to Pro members. When recruiting a Co-Founder & 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 Mike Grabowski at Callstack?
Mike Grabowski is Co-Founder & Chief Technology Officer at Callstack. CTOs like Mike Grabowski typically evaluate vendors in Cloudflare DNS, Gmail, Google Apps, and related categories. Use CTO Rank Pro to get verified email and approach directly.
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