Ian Langworth (http://langworth.com/) has been writing Perl for years and actively involved in the community since 2003. He has contributed a handful of modules to the CPAN, most of which are Kwiki-related. He has spoken at Perl-related conferences as LISA and YAPC. Ian is also the author surprisingly widespread utility, Cadubi, which is packaged for many free operating systems.
Ian is currently studying Computer Science and Cognitive Psychology at Northeastern University. Whilst pursuing a degree, he's participating in an volunteer systems administration group and working toward making higher code quality and robustness an easier goal to achieve.
He currently resides in Boston, Massachusetts where he participates in the local Boston Perl Mongers group and lives precariously close to Fenway Park.
chromatic is the technical editor of the O'Reilly Network, where he edits Perl.com, ONLamp.com, and the Linux and Security dev centers. He is also the author of the Extreme Programming Pocket Guide, Running Weblogs with Slash, and Perl Testing: A Developer's Notebook as well as the editor of BSD Hacks and Gaming Hacks. He is the original author of Test::Builder, the foundation for most modern testing modules in Perl 5, and has contributed many of the tests for core Perl. He has given tutorials and presentations at several Perl conferences, including OSCON.