Tammie works at Automattic, the company behind WordPress.com. She has a varied background including psychology, design, front end development and user experience. She is a contributor to WordPress and passionate about Open Source. List of talks here: http://diaryofawebsite.com/speaking/ Slidedecks: https://speakerdeck.com/tammielis Videos: http://wordpress.tv/speakers/tammie-lister/