Company Details
Technology Stack
Professional Summary
Josh Sirota is Office of the CTO at Illumio. Illumio operates in the computer & network security industry and has 690 employees. Based in San Francisco, California, United States. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Cloudflare DNS, Mimecast, Microsoft Office 365, Amazon AWS, CloudFlare Hosting, and 34 other technologies. Illumio reports annual revenue of 100000000. Illumio has raised 549500056 in total funding.
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 22 tech leaders at Illumio.
- • 48,652 tech leaders in California are available in our database.
Position in the CTO Rank Database
- • Josh Sirota 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).
- • 9,924 hold the CTO role in California.
- • 97 hold the CTO role at companies with 690 employees.
- • Typical CTO compensation in California: $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 Josh Sirota?
Josh Sirota has a verified email address on file on CTO Rank. They work at Illumio. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Josh Sirota work for?
Josh Sirota is Office of the CTO at Illumio, a company in the computer & network security industry with 690 employees. The company is headquartered in Sunnyvale, California, United States.
What is Josh Sirota's role in technology leadership?
Josh Sirota is classified as a CTO leader at the c-suite level.
What technologies does Josh Sirota's organization use?
Josh Sirota's organization uses a technology stack that includes Cloudflare DNS, Mimecast, Microsoft Office 365, Amazon AWS, CloudFlare Hosting, DemandBase. This information is useful for sales teams, recruiters, and technology vendors.
Is Josh Sirota open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Josh Sirota using the verified contact information available to Pro members. When recruiting a Office of the CTO, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Josh Sirota at Illumio?
Josh Sirota is Office of the CTO at Illumio. CTOs like Josh Sirota typically evaluate vendors in Cloudflare DNS, Mimecast, Microsoft Office 365, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Josh Sirota's profile data?
CTO Rank verifies and refreshes profile data weekly. Josh Sirota's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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