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CISO appointment

Quincy Castro named Chief Information Security Officer (CISO) at Chainguard

By CISO Tribune Editorial · Published · Updated

Quincy Castro is the Chief Information Security Officer (CISO) of Chainguard. Quincy joins from Redis, where they served as CISO.

Records: Chainguard · Quincy Castro · Career profile on CISO Spotlights ↗

PersonQuincy Castro
New roleChief Information Security Officer (CISO)
CompanyChainguard
Previous roleCISO, Redis
Announcedweek of July 28, 2025
Added to the recordSeptember 26, 2026
SourceSecurityWeek Industry Moves (week of 2025-07-28)

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
  • Diana Kelley, Chief Information Security Officer (CISO), Noma Security
  • Dale Hoak, Chief Information Security Officer, RegScale

Who runs security in Cybersecurity Vendors.

What this move signals

Chainguard named Quincy Castro as its Chief Information Security Officer. Castro previously served as CISO of Redis and held security leadership roles at GE Transportation and Wabtec.

What the sources say

According to the release, Castro will lead Chainguard's security strategy and posture, covering IT, product security and information security. The release says Castro will work closely with partners, customers and teams across the business to mitigate risks proactively. According to Chainguard's website, Castro heads the Security and Technology organization at Chainguard. According to that page, his organization spans corporate security as well as IT, product security and other functions.

According to the release, Castro served as Redis CISO for the past four years. The release says Castro held roles at the NSA and in private industry, where he gained offensive and defensive security experience. In the release, Castro says his job is to "make life as hard as possible for bad actors" and easy for everyone else.

According to the release, the Chainguard catalog holds more than 1,500 images covering most modern application stacks. According to the release, Chainguard's customers include Fortune 500 enterprises as well as Snowflake, Snap Inc., Hewlett Packard Enterprise, Everllence, Canva, ANZ Bank and Anduril. According to the release, Chainguard is venture-backed, with investors including Sequoia Capital, Kleiner Perkins, Redpoint Ventures, IVP, Amplify, Spark Capital, Lightspeed Venture Partners and Mantis VC. According to Chainguard, the team behind the company has spent decades building and securing open source technologies and has created or contributed to projects such as DriftlessAF, Distroless, Sigstore and Kubernetes.

Sources

  1. SecurityWeek Industry Moves (week of 2025-07-28)
  2. Quincy Castro | Author | Chainguard Blog. Chainguard, published October 21, 2026.
  3. About: The team, customers, and investors building the future. Chainguard, read November 10, 2026.
  4. Chainguard Welcomes New Chief Information Security Officer and Chief Financial Officer to Fuel Next Chapter of Growth. PR Newswire, published July 30, 2025.

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