Tutorial Instructors

Steve Acheson (S10) is currently a Computer Security Analyst at Cisco Systems, Inc. where he is a senior member of the Computer Information Security Department, responsible for network and system security, including designing internal security architecture and external/firewall access. Prior to working for Cisco, Steve managed security for NASA's Numerical Aerospace Simulations facility at Ames Research Center. He has worked in the field as a System Administrator, Network Engineer and Security Analyst for over 10 years.	Eric Allman (M4) is the original author of sendmail. He is the author of syslog, tset, the -me troff macros, and trek. He was the chief programmer on the INGRES database management project, designed database user and application interfaces at Britton Lee,and contributed to the Ring Array Processor project at the International Computer Science Institute. He is a former member of the USENIX Board of Directors.
Matt Bishop (T6) began working on problems of com puter security, and the security ofthe UNIX operating system at Purdue where he earned his doctorate in 1984. He has taught 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 (S11, S15) is the Director of Technology at the Northeastern University College of Computer Science and the author of the new O'Reilly book Perl for System Administration. He has spent the last 14 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 and has written many magazine articles on world music.
Gerald Carter (M2) has been a member of the Samba Team since 1998 and is employed by VA Linux Systems. He is currently working with O'Reilly Publishing on a guide to LDAP for system administrators. He holds a master's degree in computer science from Auburn University, where he was also previously employed as a network and systems administrator. Gerald has published articles with various Web-based magazines such as Linuxworld and has authored instructional course for companies such as Linuxcare. He acted as the lead author of Teach Yourself Samba in 24 Hours (Sams Publishing.)	Strata Rose Chalup (T17) began as a fledgling sysad min 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.
Wesley J. Chun (T10, T14) holds computer science, mathematics, and music degrees from the University of California. He is currently a principal at CyberWeb Consulting, specializing in software engineering, Web site design and architecture, corporate training, and technical documentation. He has over a decade of programming and instructional experience, and currently is a coordinator for the Silicon Valley-San Francisco Bay Area Python users group (BayPIGgies), a volunteer moderator for the Python Tutor mailing list, and the author of Core Python Programming, the Python book in Prentice Hall's Core series.	Mike Ciavarella (T13, T16) 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.
Phil Cox (S1, M6) 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. He is a featured columnist in ;login;, the USENIX Association Magazine and has served on numerous USENIX program committees. Phil holds a B.S. in computer science from the College of Charleston, South Carolina.	Lee Damon (S4) holds a B.S. in speech communication from Oregon State University. He has been a UNIX system administrator since 1985 and has been active in SAGE since its inception. He has been a UNIX system administrator since 1985 and has been active in SAGE since its inception. He co-developed departmental and company-wide UNIX environments for IBM, GulfStream Aerospace and QUALCOMM. He is now working in the EE Department at the University of Washington, and is helping to develop the Nikola UNIX infrastructure there.
Aeleen Frisch (T7) has been a system administrator for over 15 years. She currently looks after a very heterogeneous network of UNIX and Windows NT systems. She is the author of several books, including Essential Windows NT System Administration.	Peter Baer Galvin (S2) is the chief technologist for Corporate Technologies, Inc., and was the systems manager for Brown University's Computer Science Department. He has written articles for Byte and other magazines, is systems admnistration columnist for SunWorld, and is co-author of the Operating Systems Concepts and the Applied Operating Systems Concepts textbooks. As a consultant and trainer, Peter has taught tutorials on security and systems administration and has given talks at many conferences.
John R. Graham, (M1) is currently on the faculty at Coastal Carolina University in Conway, South Carolina. His dissertation "Real-time Scheduling in Distributed, Multi-Agent Systems" was an application of highly threaded and distributed applications used to solve complex science and business problems. He has worked professional for Sun Microsystems, NASA, Texas Instruments and Eastman Kodak and as a consultant to clients world-wide. At the Univesiry he teaches Systems programming, Opearting Systems Design and continues research in development of parallel applications.	Trent R. Hein (S9) is co-founder of Applied Trust Engineering. Previously, he was the CTO at XOR Inc., where he focused on using UNIX and Linux in production-grade commercial environments. Trent worked on the 4.4 BSD port to the MIPS architecture at Berkeley, is co-author of the UNIX Systems Administration Handbook (and the Linix Administration Handbook, due out soon), and holds a BS in Computer Science from the University of Colorado. Email him as trent@atrust.com.
Craig Hunt (T5) is the author of the bestsellers "TCP/IP NetworkAdministration" from O'Reilly and "Linux Network Servers 24seven" from Sybex. Craig is also the series editor for the Craig Hunt Linux Libraryfrom Sybex. This library of advanced system administration books includes his new book "Linux Sendmail Administration". He has more than 20 years of computer experience and more than 10 years experience in training computer science professionals. He is a well-known lecturer, who speaks about networking and Linux at USENIX, Networld+Interop, COMDEX, LinuxBusiness Expo, ComNet and the Open Source Software Convention.	Joshua Jensen (S5) was the first Red Hat instructor and examiner, and has been with Red Hat for 3 years. In that time he has written and maintained large parts of the Red Hat curriculum: Networking Services and Security, System Administration, and the Red Hat Certified Engineer course and exam. Joshua has worked with Linux for six years, and has been teaching Cisco Internetworking and Linux courses since 1998.
Brad Johnson (S7, M6) is a vice president of SystemEx perts Corporation, a consulting firm that specializes in system security and management. He is a well-known authority in the field of secure distributed systems and has recently served as a technical advisor to both Dateline NBC and CNN on network security matters. He has participated in seminal industry initiatives, including the Open Software Foundation, X/Open, and the IETF, and has often published about open systems.Brad was one of the original members of the OSF DCE Evaluation Team. He has a B.A. in computer science from Rutgers University and an M.S. from Lesley College.	Stephen Johnson (M13, M17) has been a technical manager on and off for nearly two decades, in both large and small companies. At AT&T, he is best known for writing Yacc, Lint, and the Portable C Compiler. He served as the head of the UNIX Languages Department at AT&T's Summit Labs. He has also been involved in a number of Silicon Valley startup companies. He served for ten years on the USENIX Board of Directors, four of them as president. He presented an invited talk on management at LISA three years ago, he has taught USENIX tutorials on technical subjects, and he has led management training seminars at LISA and the USENIX Annual Conference, as well as at Transmeta.
Greg Kulosa (S16) has been a Unix Systems Administra tor for 10+ years. He is currently a Senior consultant, solving a myriad of host and networking problems for a variety of clients. He has rolled out DHCP to networks from 2 to 1500 machines (Windows, Macintosh, Linux, Solaris 2.xclients).	William LeFebvre (M11, M15) has been using UNIX and Internet technologies since 1983. He has written many articles on UNIX, networking, and systems administration issues. Currently he writes the monthly "Daemons & Dragons" column for UNIX Review. William is the editor of the SAGE series "Short Topics in System Administration." He has taught tutorials since 1989 for such organizations as USENIX, the Sun User Group (SUG), MIS Training Institute, IT Forum, and Great Circle Associates, and he is a certified Cisco Systems Instructor. William is the primary programmer for the popular UNIX utility top and has contributed to several widely used UNIX packages, including Wietse Venema's logdaemon package. He can be reached at wnl@groupsys.com or via https://www.groupsys.com/.
Rasmus Lerdorf (T4) has been designing large-scale UNIX-based solutions since 1989.In the Open Source community, he is known mostly as the creator of the PHP scripting language. He has also contributed to a number of other Apache-related projects and is a member of the Apache-core team.	Evan Marcus (S8) is a senior systems engineer and high availability specialist with VERITAS Software Corporation. Evan has more than 12 years of experience in UNIX systems administration. While employed at Fusion Systems and OpenVision Software, Evan worked to bring the first high availability software application for SunOS and Solaris to market. Evan is the author of several articles and talks on the design of high availability systems.
Ned McClain (S9) co-founder and CTO of Applied Trust Engineering, was formerly director of Infrastructure Engineering at XOR Inc. In this role, McClain was responsible for the security and performance of more than 200 client network and server environments. Ned holds a BS in Computer Science from Cornell University and is contributing author to the UNIX System Administration Handbook.	Mark Mellis (S1) is a consultant with SystemExperts Corporation based in the San Francisco Bay Area. Over the past two years, Mark has distinguished himself by assisting several of the premier Internet companies in responding to major network attacks, and in designing and implementing robust infrastructure to limit future exposure. Mark has established a reputation over the past seventeen years of achieving the highest level of customer satisfaction in the areas of Unix, Windows & NT, Macintosh, DNS, Internet and intra-net connectivity, SMTP email, and WAN technologies. Mark attended the University of Washington, where he studied Physics.
Evi Nemeth (S9), a faculty member in computer science at the University of Colorado, has managed UNIX systems for the past 20 years, both from the front lines and from the ivory tower. She is co-author of the UNIX System Administration Handbook.	Patrick Powell (S12) is CEO of AStArt Technologies, and, as a Professor in theDept. of Electrical Engineering at San Diego State University, he managed many of the student computing facilities. He has taught courses in computer networks, operating systems, and real time systems, and is the developer of LPRng, a LPD-compatible print spooler that was created in order to solve problems with existing LPD implementations.
W. Curtis Preston (M9, T11, T15) has been specializing in backup and recovery for over seven years and has designed, implemented, and audited enterprisewide backup and recovery systems for many Fortune 500 and e-commerce companies. His O'Reilly & Associates book, UNIX Backup & Recovery, has sold over 20,000 copies, and he writes a regular column for UnixReview online and SysAdmin magazine. Curtis's Web address is https://www.backupcentral.com, and he can be reached at curtis@backupcentral.com.	Jim Reid (M8) 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 to system administration and network security to DNS administration. He's a frequent speaker at conferences and workshops in Europe and the US. His book on DNS Administration with BIND9 will be published in late 2001 or early 2002.
Avi Rubin (M7) is Principal Researcher at AT&T Labs and a member of theboard of directors of USENIX. He has been researching security issues in computer security since 1991. Rubin is the author of two books on computer security: White-Hat Security Arsenal (Addison Wesley, 2001) and Web Security Sourcebook (with Dan Geer and Marcus Ranum, John Wiley &Sons, 1997). He is the author of dozens of refereed conference and journal papers, and co-authored two chapters of Peer-to-Peer (O'Reilly,2001). Rubin is also an Associate Editor of Electronic Commerce Research Journal. His latest research project, Publius, a system forcircumventing censorship on the Internet, won the Index on Censorship's Freedom of Expression Award.	Jan Säll (M10, M14) is a leading UNIX consultant operating both in Sweden and internationally. He is currently operating his own company, Irial which provides advanced UNIX and network consultancy. Mr. Saell is currently the chairman of EurOpen.SE, and he has been working in the UNIX environment since 1983.
John Sellens (M16) has been involved in system and network administration since 1986 and is the author of several related USENIX papers and a number of ;login: articles, including the "On Reliability"series and SAGE booklet. He has a Master's degree in Computer Science from the University of Waterloo, and is a Chartered Accountant. He is currently the General Manager for CertaintySolutions (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.	Willem A. (Vlakkies) Schreuder (T1) holds a Ph.D. in Computational Fluid Mechanics and is currently working on a second Ph.D. in Parallel Systems. He has been solving practical problems in mathematical modeling in academia and private industry for about 20 years, and has been a UNIX sysadmin for more than 15 years. He uses his personal Beowulf to solve problems in software development, computational fluid dynamics, data analysis,scientific visualization and animation.
Gregory Neil Shapiro (M12) began his professional career as a system administrator for Worcester Polytechnic Institute (WPI) after graduating from WPI in 1992. During his tenure as senior UNIX system administrator, he became involved with beta testing the BIND name server, the sendmail mail transfer agent, and other UNIX utilities such as emacs and screen. He contributed the secure zones functionality included in BIND 4.9.X. When presented with the opportunity to join Sendmail, Inc., he packed his bags and headed west. As lead engineer at Sendmail, Inc., he has continued to support the open source version while working on Sendmail Pro and Sendmail Switch, the commercial versions.	Marc Staveley (T8) recently left Sun Microsystems Enterprise Services to join a start-up, where he is applying his 16 years of experience with UNIX development and administration. Previously Marc was an independent consultant and has held positions at NCR, Princeton University, and the University of Waterloo. He is a frequent speaker on the topics of standards-based development, multi-threaded programming, systems administration, and performance tuning.
Dusty White (M13, M17) was an early employee of Adobe, where she served in a variety of managerial positions. She now works as a management consultant in Silicon Valley, where she acts as a trainer, coach, and troubleshooter for technical companies. She has presented tutorials at LISA and the USENIX Annual Technical Conferences.