Company Details
Technology Stack
Professional Summary
Gregory Shapiro is CTO, Messaging at Proofpoint. Proofpoint operates in the computer & network security industry and has 3700 employees. Based in San Francisco, California, United States. Classified as a c-suite-level CTO leader. Their organization's technology stack includes UltraDns, Microsoft Office 365, DemandBase, Drupal, VueJS, and 6 other technologies. Proofpoint reports annual revenue of 1050010000.
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 110 tech leaders at Proofpoint.
- • 48,652 tech leaders in California are available in our database.
Position in the CTO Rank Database
- • Gregory Shapiro 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.
- • 43 hold the CTO role at companies with 3700 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 Gregory Shapiro?
Gregory Shapiro has a verified email address on file on CTO Rank. They work at Proofpoint. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Gregory Shapiro work for?
Gregory Shapiro is CTO, Messaging at Proofpoint, a company in the computer & network security industry with 3700 employees. The company is headquartered in Sunnyvale, California, United States.
What is Gregory Shapiro's role in technology leadership?
Gregory Shapiro is classified as a CTO leader at the c-suite level.
What technologies does Gregory Shapiro's organization use?
Gregory Shapiro's organization uses a technology stack that includes UltraDns, Microsoft Office 365, DemandBase, Drupal, VueJS, WP Engine. This information is useful for sales teams, recruiters, and technology vendors.
Is Gregory Shapiro open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Gregory Shapiro using the verified contact information available to Pro members. When recruiting a CTO, Messaging, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Gregory Shapiro at Proofpoint?
Gregory Shapiro is CTO, Messaging at Proofpoint. CTOs like Gregory Shapiro typically evaluate vendors in UltraDns, Microsoft Office 365, DemandBase, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Gregory Shapiro's profile data?
CTO Rank verifies and refreshes profile data weekly. Gregory Shapiro's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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