Executive record
Quincy Castro
Career profile: Quincy Castro on CISO Spotlights ↗
Quincy Castro is Chief Information Security Officer (CISO) at Chainguard. The appointment was announced in the week of July 28, 2025, per SecurityWeek Industry Moves.
Before the appointment: CISO at Redis, per the same source.
1 tracked move on the Wire · Updated
Career timeline
Every move the record holds for Quincy Castro, newest first, with the earlier roles the announcements name.
· Appointment
Named Chief Information Security Officer (CISO) at Chainguard
Source: SecurityWeek Industry Moves (week of 2025-07-28) ↗ · Move record
Before July 2025· Earlier role
CISO at Redis
Named in the announcement of the Chainguard appointment · Source: SecurityWeek Industry Moves (week of 2025-07-28) ↗
The appointment
Announced week of July 28, 2025 · Source: SecurityWeek Industry Moves (week of 2025-07-28) ↗ · Move record
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.
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.
The company: Chainguard
- Sector
- Cybersecurity Vendors
- Region
- North America
- Company record
- Who runs security at Chainguard: 1 confirmed move on the record
- Vendor directory
- Chainguard sells security products, filed under Software supply chain security. What it sells
In their own words
What Quincy Castro has posted and written in public while in the seat, each described in our words with a link to the original. A post loads from LinkedIn or X only when you choose Show post. All voices
Elsewhere
Public profiles we matched to Quincy Castro by exact name and the company on our record. Links only; we do not copy from them.
Appointed in the same period
Other security chiefs in Cybersecurity Vendors whose appointment was announced within 90 days of Quincy Castro's, nearest first (8 of 9). The Cybersecurity Vendors bench
Diana Kelley, Chief Information Security Officer (CISO) at Noma Security
Olivia Brännlund, CISO at Outpost24
Aman Sirohi, Chief Information Security Officer at Cyberhaven
Leslie Nielsen, Chief Information Security Officer at Mimecast
Rinki Sethi, Chief Security Officer (CSO) at Upwind
Lane Sullivan, Chief Information Security and Strategy Officer at Concentric AI
Shane Barney, Chief Information Security Officer (CISO) at Keeper Security
Record facts
- Time in the seat
- About 1 year 3 months since the appointment was announced (week of July 28, 2025), as of November 2026
- Moves on the record
- 1 confirmed move, each with its source
- On the record since
- September 26, 2026
- Cybersecurity Vendors in 2026
- 25 security-leadership appointments announced in the sector on the record
How these are counted. Time in the seat: Counted in whole months from the announcement of the appointment, the date the record holds; announcements rarely give a start date.
Questions about Quincy Castro
- Who is the CISO of Chainguard?
- Quincy Castro is Chief Information Security Officer (CISO) at Chainguard. The appointment was announced in the week of July 28, 2025, per SecurityWeek Industry Moves.
- When did Quincy Castro become CISO of Chainguard?
- The appointment was announced in the week of July 28, 2025, per SecurityWeek Industry Moves. The record holds the announcement, not a start date.
- Where did Quincy Castro work before Chainguard?
- Before the appointment, Quincy Castro was CISO at Redis, according to the announcement (SecurityWeek Industry Moves).
Sources
- 1.SecurityWeek Industry Moves (week of 2025-07-28) ↗: the appointment at Chainguard, week of July 28, 2025
- 2.CISO Spotlights career profile ↗: a fuller career profile on a sister site
This record begins with CISO Tribune's tracking in 2026.
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