Security Officer at SentinelOne and a Lecturer in Computer Science and International Policy at Stanford University. He was a co-founder of the Krebs Stamos Group and iSEC Partners, and served as the CISO of Facebook and Yahoo. Alex is also a member of the DHS Cybersecurity Advisory Council, Aspen Institute’s U.S. Cybersecurity Working Group, and serves as an advisor to NATO’s Collective Cybersecurity Center of Excellence.