Dave Haeffner is the writer of Elemental Selenium (elementalselenium.com), a free, weekly Selenium tip newsletter read by thousands of testing professionals. Dave is also is the creator and maintainer of ChemistryKit (https://github.com/chemistrykit/chemistrykit) an open-source Selenium framework, and the-internet (https://github.com/tourdedave/the-internet) an open-source web application that’s used to help teach test automation. He’s also the author of The Selenium Guidebook (seleniumguidebook.com) — a concise guide that will teach you how to use Selenium successfully. He’s helped numerous companies implement automated acceptance testing including The Motley Fool, ManTech International, Sittercity, and Animoto. He’s also a founder/co-organizer of the Selenium Hangout (an entirely online Selenium meetup), Selenium Conf (the annual conference put on by the Selenium project), and frequently speaks about automated acceptance testing at conferences and meet-ups around the world.