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. Before joining Facebook, Alex served as the CISO of Yahoo and is widely recognized for revitalizing Yahoo’s security program with innovative technology and products. Prior to Yahoo, he was the co-founder of iSEC Partners and founder of Artemis Internet. Alex is a noted expert in global scale infrastructure, designing trustworthy systems, and mobile security. Alex holds a bachelor's degree in Electrical Engineering and Computer Science from the University of California, Berkeley.