Alex Stamos is the Chief Security Officer at Facebook, where he leads a team of people around the world focused on ensuring the safety of the billions of people who use Facebook and its family of services. He is also committed to bringing more openness and collaboration to the security community, and to building solutions that keep people safe in the circumstances they face every day. Alex is a noted expert in global scale infrastructure, designing trustworthy systems, and mobile security. He is a frequently requested speaker at conferences and industry events, including Black Hat, RSA, DEF CON, Milken Global, Amazon ZonCon, Microsoft Blue Hat, FS-ISAC, and Infragard. Before Facebook, Alex served as the CISO of Yahoo, where he led the security team to develop innovative security technology and products. He was also the co-founder of security consultancy iSEC Partners, a company that helped hundreds of companies build secure and safe systems. Alex holds a bachelor's degree in Electrical Engineering and Computer Science from the University of California, Berkeley.