Jacek Zielinski is an undergraduate Computer Science student at the Poznan University of Technology in Poznan, Poland. Jacek enjoys working with Web applications and has strong skill in PHP, Ajax, CSS, XHTML, ASP.NET, C#, and Java. He has worked with Joomla! for over two years having built numerous Joomla! Web sites and many extensions, including components, modules, and plugins. Jacek also has strong DBA skills in both MySQL and Oracle.

Mentor: Dr. Paul Ambrose has a Ph.D. in information systems, and is an assistant professor of Management Computer Systems at the University of Wisconsin - Whitewater. Paul teaches client-server systems development and uses Joomla! in his classes and to build web applications for small business and non-profits. He also co-manages the Wisconsin Center for IT Services at UW-Whitewater, which specializes in providing open source solutions to regional businesses.