John Viega is CTO of the SaaS Business Unit at McAfee, his second stint at McAfee. Previously, he was their Chief Security Architect, after which he founded and served as CEO of Stonewall Software, which focused on making anti-virus technology faster, better and cheaper. John was also the founder of Secure Software (now part of Fortify).

John is author of many security books, including Building Secure Software (Addison-Wesley), Network Security with OpenSSL (O'Reilly), and the forthcoming Myths of Security (O'Reilly). He is responsible for numerous software security tools and is the original author of Mailman, the GNU mailing list manager. He has done extensive standards work in the IEEE and IETF and co-invented GCM, a cryptographic algorithm that NIST has standardized. John is also an active advisor to several security companies, including Fortify and Bit9. He holds a MS and BA from the University of Virginia.