Paul Love (Cincinnati, OH), CISSP, CISA, CISM, Security+,
has been in the IT field for 15 years. Paul holds a Masters of
Science degree in Network Security and a Bachelor's in
Information Systems. He has co-authored two Linux security books,
contributed to multiple Linux/Unix books, and has been the
technical editor for over 10 best selling Linux and Unix books.
Paul also ran a successful Linux portal site during the dot com era
and has been an avid Unix/Linux user and administrator both
professionally and as a hobby for many years.

Joe Merlino (Boston, MA) is an experienced system
administrator with Unix and Linux for more than a decade.

Craig Zimmerman (New York, NY) manages UNIX, Macintosh,
and Windows systems for Spontaneous, a post-production company in
New York City. He previously worked at Chiat/Day helping build the
world's most famous virtual advertising agency, managing and
networking Unix and Macintosh systems in multiple offices.

Jeremy C. Reed (Marysville, WA) is a programmer, a member
of NetBSD, and has actively taught FreeBSD, NetBSD, and OpenBSD
administration classes for the past three years.

Paul Weinstein (Chicago, IL) has worked on various
Unix-based computing platforms, from the mainframe (Harris HCX-9)
to the desktop (Powerbook G4) and has developed applications on
just about all of the current major branches of Unix in the course
of the past 10 years. Recently he has been focusing a lot of his
attention on developing and integrating Web-based systems using
tools such as Linux, Apache, MySQL, and Perl, and in doing so has
brought his unique understanding to a wide range of computing
environments ranging from public elementary schools to pioneering
open source companies. Currently, Paul works as President and Chief
Consultant for the computer consulting firm Kepler Solutions,
Inc.

David Mercer (Cape Town, South Africa) is a long-time
Unix user and PHP programmer who contributed to Beginning
PHP4 and Beginning PHP5. He has maintained a keen
interest in all things open source ever since he managed to put
together a working Beowulf cluster by nicking old computer parts
from colleagues and assembling them under his desk.