# Alex Stamos

> CISO at SentinelOne; lecturer at Stanford.

Stamos joined SentinelOne via its acquisition of the Krebs Stamos Group, where he was a partner. As former CSO of Facebook and Yahoo and founder of the Stanford Internet Observatory, he is widely cited on trust and safety, nation-state threats, and security policy.

- **Category:** [Influencers & Voices](https://gracker.ai/cyber-resources/influencers)
- **Website:** https://www.sentinelone.com
- **Location:** San Francisco, CA, USA
- **Company:** SentinelOne
- **Title:** Chief Information Security Officer
- **Verified:** Yes
- **Last updated:** June 9, 2026

## Expertise

- Enterprise security leadership
- Trust & safety
- Security policy
- Secure-by-design
- Disinformation

## Frequently asked questions

### Who is Alex Stamos?

Alex Stamos is CISO at SentinelOne and a lecturer at Stanford. The former CSO of Facebook and Yahoo is a leading public voice on platform security, disinformation, and secure-by-design.

### What is Alex Stamos's current role?

Alex Stamos is Chief Information Security Officer at SentinelOne.

### What is Alex Stamos known for?

Alex Stamos focuses on Enterprise security leadership, Trust & safety, Security policy, Secure-by-design, Disinformation.

### Where is Alex Stamos based?

Alex Stamos is based in San Francisco, CA, USA.

### What is Alex Stamos listed under on Cyber Resources?

Alex Stamos is listed in the Influencers & Voices category of Cyber Resources, the curated directory of the cybersecurity marketing and growth ecosystem.