Company Details
Technology Stack
Professional Summary
John Graham-Cumming is CTO at Cloudflare, Inc.. Cloudflare, Inc. operates in the computer & network security industry and has 4400 employees. Based in Lisbon, Lisbon, Portugal. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Salesforce, Cloudflare DNS, Mailchimp Mandrill, Gmail, Google Apps, and 66 other technologies. Cloudflare, Inc. reports annual revenue of 1770111000.
Industry & Role Insights
- • CTO Rank tracks 138,833 CTO leaders with verified contact information.
- • There are 6,253 tech leaders in the computer & network security industry in our database.
- • We have verified contacts for 146 tech leaders at Cloudflare, Inc..
- • 1,177 tech leaders in Lisbon are available in our database.
Position in the CTO Rank Database
- • John Graham-Cumming is 1 of 140,489 leaders with the CTO role tracked in the CTO Rank database.
- • 2,091 hold the CTO role at computer & network security companies (out of 6,273 total computer & network security leaders in our database).
- • 370 hold the CTO role in Lisbon.
- • 85 hold the CTO role at companies with 4400 employees.
- • Typical CTO compensation in Lisbon: $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 Graham-Cumming?
John Graham-Cumming has a verified email address on file on CTO Rank. They work at Cloudflare, Inc.. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does John Graham-Cumming work for?
John Graham-Cumming is CTO at Cloudflare, Inc., a company in the computer & network security industry with 4400 employees. The company is headquartered in San Francisco, California, United States.
What is John Graham-Cumming's role in technology leadership?
John Graham-Cumming is classified as a CTO leader at the c-suite level.
What technologies does John Graham-Cumming's organization use?
John Graham-Cumming's organization uses a technology stack that includes Salesforce, Cloudflare DNS, Mailchimp Mandrill, Gmail, Google Apps, Microsoft Office 365. This information is useful for sales teams, recruiters, and technology vendors.
Is John Graham-Cumming 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 Graham-Cumming using the verified contact information available to Pro members. When recruiting a CTO, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to John Graham-Cumming at Cloudflare, Inc.?
John Graham-Cumming is CTO at Cloudflare, Inc.. CTOs like John Graham-Cumming typically evaluate vendors in Salesforce, Cloudflare DNS, Mailchimp Mandrill, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is John Graham-Cumming's profile data?
CTO Rank verifies and refreshes profile data weekly. John Graham-Cumming's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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