Oh, and he just started a blog and is a really cool guy:
Some of his open source accomplishments include: Inline.pm - binding over 15 languages to Perl, YAML - A data serialization language for all scripting languages, and FreePAN.org - A CPAN-like archive for all languages.
Brian is a regular speaker at Perl conferences and recently presented on Kwiki at the O'Rielly Open Source Convention. With Ward Cunningham, inventor of the wiki and Socialtext advisor, he presented on the Framework for Integrated Tests (fit).
More to come from a growing team...