Tina Bird (M6) is a network security architect at Counterpane Internet Security. She has implemented and managed a variety of wide-area-network security technologies and has developed, implemented and enforced corporate IS security policies. She is the moderator of the Virtual Private Networks mailing list, and the owner of "VPN Resources on the World Wide Web." Tina has a B.S. in physics from Notre Dame and an M.S. and Ph.D. in astrophysics from the University of Minnesota.	Matt Bishop (T2) began working on problems of computer security, including the security of the UNIX operating system, at Purdue, where he earned his doctorate in 1984. He worked in industry and at NASA before becoming a professor, teaching courses in computer security, cryptography, operating systems, and software engineering at both Dartmouth College and at the University of California at Davis, where he teaches now. Matt's current research interests are analyzing vulnerabilities in operating systems, protocols, and software in general; denial of service; intrusion detection; and formal models of access control.
David N. Blank-Edelman (S9, S12) is the Director of Technology at the Northeastern University College of Computer Science and the author of the O'Reilly book Perl for System Administration. He has spent the last 16 years as a system/network administrator in large multi-platform environments, including Brandeis University, Cambridge Technology Group, and the MIT Media Laboratory. He has served as Senior Technical Editor for the Perl Journal.	Gerald Carter (M1, T4), a member of the SAMBA Team since 1998, is employed by Hewlett Packard as a Software Engineer, working on SAMBA-based print appliances. He is writing a guide to LDAP for system administrators, to be published by O'Reilly. Jerry holds an M.S. in computer science from Auburn University, where he also served as a network and system administrator. He has published articles with Web-based magazines such as Linuxworld and has authored courses for companies such as Linuxcare. He recently completed the second edition of Teach Yourself SAMBA in 24 Hours (Sams Publishing).
Strata Rose Chalup (M13) began as a fledgling sysadmin in 1983, and has been leading and managing complex IT projects for many years, serving in roles ranging from Project Manager to Director of Network Operations. She has authored several articles on management and working with teams, and specializes in multi-vendor infrastructure rollouts. Another MIT dropout, Strata is founder and CEO of VirtualNet Consulting, and applies her management skills on various volunteer boards, including BayLISA and SAGE.	Mike Ciavarella (T10, T13) has been producing and editing technical documentation since he naively agreed to write application manuals for his first employer in the early 1980s. He has been a technical editor for Macmillan Press and has been teaching system administrators about documentation for the past four years. Mike has an Honours Degree in Science from the University of Melbourne in Australia, and is currently a Senior Partner with Cybersource Pty Ltd, where he heads Cybersource's Security Practice. In his spare time, Mike is a caffeine addict and photographer.
Philip Cox (M5) is a consultant for SystemExperts Corporation, a consulting firm that specializes in system security and management. Phil frequently writes and lectures on issues bridging the gap between UNIX and Windows NT and on information security. He is the lead author of Windows 2000 Security Handbook 2nd edition from Osborne McGraw-Hill and contributing author to Windows NT/2000 Network Security from Macmillan Technical Publishing. Phil is also a featured columnist in the USENIX Association Magazine ;login:, and serves on the SANS NT Digest editorial board.	Lee Damon (M4) holds a B.S. in speech communication from Oregon State University. He has been a UNIX Systems Administrator since 1985, and has been active in SAGE since its inception. He assisted in developing a mixed AIX/SunOS environment at IBM Watson Research, and has developed mixed environments for Gulfstream Aerospace and QUALCOMM. He is currently leading the development effort for the Nikola project at the University of Washington Electrical Engineering department. He is a member of the SAGE Ethics Working Group, and was one of the commentators on the SAGE Ethics document. He has championed awareness of Ethics in the Systems Administration community, including writing it into policy documents.
Mark-Jason Dominus (M9, M12) has been programming in Perl since 1992. He is a moderator of the comp.lang.perl.moderated newsgroup, the author of the Text::Template, Tie::File, and Memoize modules, a contributor to the Perl core, and author of the perlreftut man page. Last year his work on the Rx regular expression debugger won the Larry Wall Award for Practical Utility. He lives in Philadelphia with his wife and several plush octopuses.	Jacob Farmer (M8, M11) is the CTO of Cambridge Computer Services, an integrator and training provider specializing in storage management. He has more than 15 year's experience with data storage technologies and is an accomplished author and lecturer. He writes the expert advice column for InfoStor magazine (the leading trade publication of the data storage industry) and is currently is currently working on a book on storage networking technologies.
Aeleen Frisch (S6, M3, T11) has been a system administrator for over 20 years. She currently looks after a pathologically heterogeneous network of UNIX and Windows systems. She is the author of several books, including Essential System Administration (now in its 3rd edition).	Baer Galvin (S1) is the Chief Technologist for Corporate Technologies, and was the systems manager for Brown University's Computer Science Department. He has written articles for Byte and other magazines, is a columnist for SunWorld, and is coauthor of the Operating Systems Concepts and the Applied Operating Systems Concepts textbooks. Peter has taught tutorials on security and system administration and has given talks at many conferences and institutions.
David K. Z. Harris (T9, T12) has been a network plumber for more than a decade, and he likes many kinds of puzzles. He's been a member of the Technical Staff at Certainty Solutions (formerly GNAC) for over four years. Connecting various devices together (such as making networks work, or hooking up serial consoles) is just another interesting puzzle.	Trent Hein (S2, M2) is co-founder of Applied Trust Engineering. Trent worked on the 4.4 BSD port to the MIPS architecture at Berkeley, is co-author of both the UNIX Systems Administration Handbook and the Linux Administration Handbook, and holds a B.S. in computer science from the University of Colorado.
Christine Hogan (M7, T8), co-author of The Practice of System and Network Administration from Addison-Wesley, is an independent consultant, currently studying for a Ph.D. at Imperial College, London. Previously employed by Synopsys and Global Networking and Computing (GNAC, Inc.), she serves as consultant to start-ups, e-commerce sites, bio-tech companies, and large multi-national hardware and software companies. Her system administration career began at the Department of Mathematics in Trinity College Dublin.	Joshua Jensen (S3, T3) was the first Red Hat instructor and examiner, and has been with Red Hat for 4 years. In that time he has written and maintained large parts of the Red Hat curriculum: Networking Services and Security, System Administration, Apache and Secure Web Server Administration, and the Red Hat Certified Engineer course and exam. Joshua has worked with Linux for 7 years, and has been teaching Cisco Internetworking and Linux courses since 1998.
Brad C. Johnson (M5, T6) is vice president of SystemExperts Corporation. He has participated in seminal industry initiatives such as the Open Software Foundation, X/Open, and the IETF, and has published often about open systems. Brad has served as a technical advisor to organizations such as Dateline NBC and CNN on security matters. He is a regular tutorial instructor and conference speaker on topics related to practical network security, penetration analysis, middleware, and distributed systems. Brad holds a B.A. in computer science from Rutgers University and an M.S. in applied management from Lesley University.	William LeFebvre (S10, S13) is an author, programmer, teacher, and sysadmin expert who has been using UNIX and Internet technologies since 1983. He writes a monthly column for UNIX Review and has taught since 1989 for such organizations as USENIX, the Sun User Group (SUG), MIS Training Institute, IT Forum, and Great Circle Associates. He has contributed to several widely used UNIX packages, including Wietse Venema's logdaemon package. He is also the primary programmer for the popular UNIX utility top. William is currently a technology fellow at CNN Internet Technologies, exploring the applicability of new technology to one of the busiest Web farms on the Internet. He received his bachelor's degree in 1983 and his master of science degree in 1988, both from Rice University.
Tom Limoncelli (M7, T8), co-author of The Practice of System and Network Administration from Addison-Wesley, is Director of Operations at Lumeta Corporation, where he is responsible for building and scaling the deployment systems. A sysadmin and network wonk since 1987, he has worked at Bell Labs/Lucent, Mentor Graphics, and Drew University. He is a frequent presenter at LISA conferences.	Evan Marcus (S7, M10) is a Senior Systems Engineer and High Availability Specialist with VERITAS Software Corporation. Evan has more than 14 years of experience in UNIX system administration. While working at Fusion Systems and OpenVision Software, Evan worked to bring to market the first high-availability software application for SunOS and Solaris. He is the author of several articles and talks on the design of high-availability systems and is the co-author, with Hal Stern, of Blueprints for High Availability: Designing Resilient Distributed Systems (John Wiley & Sons, 2000).
Ned McClain (S2, M2), co-founder and CTO of Applied Trust Engineering, lectures around the globe on applying cutting-edge technology in production computing environments. Ned holds a B.S. in computer science from Cornell University and is a contributing author to both the UNIX System Administration Handbook and the Linux Administration Handbook.	Evi Nemeth (S2, M2) has retired from the computer science faculty at the University of Colorado, where she administered UNIX systems, both from the trenches and from the ivory tower. She is a co-author of the UNIX System Administration Handbook (now in its 3rd edition) and its green cousin, the Linux Administration Handbook. Evi is slowly learning what "retired" is supposed to mean, as she spends more time on her sailboat in the Caribbean and less time on computers, networks, and security.
W. Curtis Preston (S8, S11) is the president of The Storage Group, Inc., a storage consulting firm focused on bridging the gap between customers and storage products. Curtis has ten years' experience designing storage systems for environments both large and small. Curtis has advised the major product vendors regarding product features and implementation methods. He is the administrator of the NetBackup and NetWorker FAQs and answers the "Ask The Experts" backup forum on SearchStorage.com. He is the author of O'Reilly's UNIX Backup & Recovery and Using SANs & NAS, as well as a monthly column in Storage Magazine.	Jim Reid (T7) started using a PDP11/45 running V7 UNIX 21 years ago and has been working with UNIX systems ever since. He worked for three years at Origin on behalf of Philips Electronics, where he wrote a DNS management system and designed, built, and ran the DNS infrastructure for the corporate network, one of the biggest in the world. He has over a decade's experience in writing and teaching training courses ranging from kernel internals, through system administration and network security, to DNS administration. He's a frequent speaker at conferences and workshops in Europe and the U.S. His book on DNS administration with BIND9 will be published in 2002.
David Rhoades (S5) is president of Maven Security Consulting Inc.Since 1996 David has been providing information protection services for various Fortune 500 customers. His work has taken him across the U.S .and to Europe and Asia, where he has lectured and consulted in various areas of information security. David holds a B.S. in computer engineering from the Pennsylvania State University and is an instructor for the SANS Institute, the MIS Training Institute, and Sensecurity (based in Singapore).	Cory Scott (S4) has extensive experience in information systems and security and years of experience in network and systems security architecture, as well as operational experience in several demanding datacenters. Currently he is a manager of systems and security at ABN-AMRO North America. Previously he was a security consultant, performing assessment, penetration testing, and intrusion detection research. He has a CISSP certification, with speaking engagements at Blackhat Briefings and SANS. As a technical editor and writer, he has worked on several security publications, including recent technical reviews of "Know Your Enemy: The Honeynet Project" and NIST's "Special Publication on Intrusion Detection Systems."
John Sellens (T1) has been involved in system and network administration since 1986 and is the author of several related USENIX papers, a number of ;login: articles, and SAGE booklet #7, System and Network Administration for Higher Reliability. He holds an M.S. in computer science from the University of Waterloo and is a chartered accountant. He is currently the General Manager for Certainty Solutions (formerly known as GNAC) in Toronto. Prior to joining Certainty, John was the Director of Network Engineering at UUNET Canada and was a staff member in computing and information technology at the University of Waterloo for 11 years.	Marc Staveley (T5) recently took a position with Soma Networks, where he is applying his 18 years of experience with UNIX development and administration in leading their IT group. Previously Marc had been an independent consultant, and he has also held positions at Sun Microsystems, NCR, Princeton University, and the University of Waterloo. He is a frequent speaker on the topics of standards-based development, multi-threaded programming, system administration, and performance tuning.