Company Details
Technology Stack
Professional Summary
Jon Zajac is Co-Founder & Chief Technology Officer at AggKnowledge. AggKnowledge operates in the information technology & services industry and has 3 employees. Based in Boston, Massachusetts, United States. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Cloudflare DNS, Gmail, Google Apps, Google Cloud Hosting, Wix, and 4 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.
- • 11,396 tech leaders in Massachusetts are available in our database.
Position in the CTO Rank Database
- • Jon Zajac 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).
- • 2,183 hold the CTO role in Massachusetts.
- • 5,979 hold the CTO role at companies with 3 employees.
- • Typical CTO compensation in Massachusetts: $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 Jon Zajac?
Jon Zajac has a verified email address on file on CTO Rank. They work at AggKnowledge. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Jon Zajac work for?
Jon Zajac is Co-Founder & Chief Technology Officer at AggKnowledge, a company in the information technology & services industry with 3 employees. The company is headquartered in New York, New York, United States.
What is Jon Zajac's role in technology leadership?
Jon Zajac is classified as a CTO leader at the c-suite level.
What technologies does Jon Zajac's organization use?
Jon Zajac's organization uses a technology stack that includes Cloudflare DNS, Gmail, Google Apps, Google Cloud Hosting, Wix, Varnish. This information is useful for sales teams, recruiters, and technology vendors.
Is Jon Zajac open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Jon Zajac 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 Jon Zajac at AggKnowledge?
Jon Zajac is Co-Founder & Chief Technology Officer at AggKnowledge. CTOs like Jon Zajac typically evaluate vendors in Cloudflare DNS, Gmail, Google Apps, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Jon Zajac's profile data?
CTO Rank verifies and refreshes profile data weekly. Jon Zajac's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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