Elizabeth D. Zwicky is a director at Counterpane Internet Security, a managed security services company. She has been doing large-scale Unix system administration and related work for 15 years, and was a founding board member of both the System Administrators Guild (SAGE) and BayLISA (the San Francisco Bay Area system administrators group), as well as a nonvoting member of the first board of the Australian system administration group, SAGE-AU. She has been involuntarily involved in Internet security since before the 1988 Morris Internet worm. In her lighter moments, she is one of the few people who makes significant use of the rand function in PostScript, producing PostScript documents that are different every time they're printed. Simon Cooper is a computer professional currently working in Silicon Valley. He has worked in different computer-related fields ranging from hardware through operating systems and device drivers to application software and systems support in both commercial and educational environments. He has an interest in the activities of the Internet Engineering Task Force (IETF) and USENIX, is a member of the British Computer Conservation Society, and is a founding member of the Computer Museum History Center. Simon has released a small number of his own open source programs and has contributed time and code to the XFree86 project. In his spare time, Simon likes to play ice hockey, solve puzzles of a mathematical nature, and tinker with Linux. D. Brent Chapman is a networking professional in Silicon Valley. He has designed and built Internet firewall systems for a wide range of organizations, using a variety of techniques and technologies. He is the founder of the Firewalls Internet mailing list, and creator of the Majordomo mailing list management package. He is the founder, principal, and technical lead of Great Circle Associates, Inc., a highly regarded strategic consulting and training firm specializing in Internet networking and security. Over the last 15 years, Brent has worked in a variety of consulting, engineering, and management roles in information technology, operations, and technology marketing for a wide range of employers and clients, including the Xerox Palo Alto Research Center (PARC), Silicon Graphics, Inc. (SGI), and Covad Communications Company.
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