Jeff Horwitz has been part of the system administration and open source communities for over ten years. He currently resides in the Philadelphia suburbs, working for Discovery Communications as a Senior Systems Administrator and Developer for Petfinder. Jeff is the author of several open source software projects, as well as the book Unix System Management Primer Plus. He has spoken at conferences such as the O'Reilly Open Source Convention and YAPC, and at several users group meetings around the Northeastern US. Jeff serves on the board of the Parrot Foundation, is a Sun certified system administrator and holds a Bachelor of Science in Cellular & and Molecular Biology from the University of Michigan.