Mike Pavlak is Director of Information Services at Chicago-based power supply manufacturer Tripp-Lite.  He runs an iSeries for ERP, CRM, Lotus and other business apps. He's been using PHP on Linux for more than three years to do project management software, intranet and extranet interfaces, IT helpdesk and documentation management tools -- all open source applications he got from the Web through the PHP community.   Mike is a past president of the OMNI User Group in Chicago and participated in a fireside chat (http://www.isociety.org/Chat20070711.html) with Jon Paris and Ethan O’Rafferty.