Company Details
Technology Stack
Professional Summary
John Heap is Chief Technology Officer at Zest. Zest operates in the renewables & environment industry and has 170 employees. Based in United Kingdom. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Outlook, Microsoft Office 365, Zendesk, Amazon AWS, Google Play, and 3 other technologies. Zest has raised 40835200 in total funding.
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 John Heap?
John Heap has a verified email address on file on CTO Rank. They work at Zest. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does John Heap work for?
John Heap is Chief Technology Officer at Zest, a company in the renewables & environment industry with 170 employees. The company is headquartered in England, United Kingdom.
What is John Heap's role in technology leadership?
John Heap is classified as a CTO leader at the c-suite level.
What technologies does John Heap's organization use?
John Heap's organization uses a technology stack that includes Outlook, Microsoft Office 365, Zendesk, Amazon AWS, Google Play, Google Tag Manager. This information is useful for sales teams, recruiters, and technology vendors.
Is John Heap open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to John Heap using the verified contact information available to Pro members. When recruiting a 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 John Heap at Zest?
John Heap is Chief Technology Officer at Zest. CTOs like John Heap typically evaluate vendors in Outlook, Microsoft Office 365, Zendesk, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is John Heap's profile data?
CTO Rank verifies and refreshes profile data weekly. John Heap's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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