Company Details
Technology Stack
Professional Summary
James Tucker is Head of CISO - EMEA at Zscaler. Zscaler operates in the computer & network security industry and has 7400 employees. Based in Stockholm, Stockholm County, Sweden. Classified as a c-suite-level CISO leader. Their organization's technology stack includes CloudFlare CDN, Salesforce, DNS Made Easy, Gmail, Marketo, and 72 other technologies. Zscaler reports annual revenue of 2546757000.
Industry & Role Insights
- • CTO Rank tracks 2,786 CISO 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 130 tech leaders at Zscaler.
- • 3,188 tech leaders in Stockholm County are available in our database.
Position in the CTO Rank Database
- • James Tucker is 1 of 2,823 leaders with the CISO role tracked in the CTO Rank database.
- • 93 hold the CISO role at computer & network security companies (out of 6,273 total computer & network security leaders in our database).
- • 12 hold the CISO role in Stockholm County.
- • 8 hold the CISO role at companies with 7400 employees.
- • Typical CISO compensation in Stockholm County: $220,000 – $480,000 (median $340,000). 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 James Tucker?
James Tucker has a verified email address on file on CTO Rank. They work at Zscaler. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does James Tucker work for?
James Tucker is Head of CISO - EMEA at Zscaler, a company in the computer & network security industry with 7400 employees. The company is headquartered in San Jose, California, United States.
What is James Tucker's role in technology leadership?
James Tucker is classified as a CISO leader at the c-suite level.
What technologies does James Tucker's organization use?
James Tucker's organization uses a technology stack that includes CloudFlare CDN, Salesforce, DNS Made Easy, Gmail, Marketo, Google Apps. This information is useful for sales teams, recruiters, and technology vendors.
Is James Tucker open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to James Tucker using the verified contact information available to Pro members. When recruiting a Head of CISO - EMEA, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to James Tucker at Zscaler?
James Tucker is Head of CISO - EMEA at Zscaler. CISOs like James Tucker typically evaluate vendors in CloudFlare CDN, Salesforce, DNS Made Easy, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is James Tucker's profile data?
CTO Rank verifies and refreshes profile data weekly. James Tucker's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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