Roger R. Schell is president of ÆSec, a company focused on appliances built on hardened platforms for secure, reliable e-business on the Internet. For several years, he managed the development and delivery of security for several Novell releases of network software products including an integral PKI, an international crypto API, and an authentication service with exposed SSL capability. Schell was co-founder and vice president for Engineering of Gemini Computers, Inc., where he directed development of Gemini's Class A1 network processor commercial product. He was also the founding deputy director of the (now) National Computer Security Center. Previously he was an associate professor of computer science at the Naval Postgraduate School.