CISO Tribune

CISO appointment

Diana Kelley named Chief Information Security Officer (CISO) at Noma Security

By CISO Tribune Editorial · Published

Diana Kelley is the Chief Information Security Officer (CISO) of Noma Security. Diana joins from Protect AI, where they served as CISO.

Records: Noma Security · Diana Kelley · Career profile on CISO Spotlights ↗

PersonDiana Kelley
New roleChief Information Security Officer (CISO)
CompanyNoma Security
Previous roleCISO, Protect AI
Announcedweek of August 4, 2025
Added to the recordSeptember 26, 2026
SourceSecurityWeek Industry Moves (week of 2025-08-04)

Context from the record

Other Cybersecurity Vendors appointments in the third quarter of 2025

  • Leslie Nielsen, Chief Information Security Officer, Mimecast
  • Aman Sirohi, Chief Information Security Officer, Cyberhaven
  • Olivia Brännlund, CISO, Outpost24
  • Quincy Castro, Chief Information Security Officer (CISO), Chainguard
  • Dale Hoak, Chief Information Security Officer, RegScale

Who runs security in Cybersecurity Vendors.

What this move signals

Diana Kelley has been appointed CISO at agentic AI security company Noma Security. Prior to joining Noma, she served as CISO at Protect AI, Microsoft Cybersecurity Field CTO, Global Executive Security Advisor at IBM Security, and GM at Symantec.

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