Presentation slides are available here.

Want to create your own custom design for WordPress, but don’t want to rebuild all the awesome features that your favorite theme already has? Need to create something unique, but need to stay upgrade-safe? You need a child theme! Learn the benefits and gotchas of a child theme as well as learn how to set up a child theme as we create a custom child theme step-by-step during this talk.

Bio:
Beth Tucker Long is a PHP developer and co-organizer of Madison PHP and the Madison Web Design & Development group. You can find her on Twitter (@e3betht) or on her blog (http://www.alittleofboth.com­). Beth is a firm believer in promoting community and mentoring. She runs Treeline Design, a web development company, and Playlist Event Music, a DJ company, along with her husband, Chris.