Dan Cuellar is the creator of the open source mobile automation framework Appium, and Head of Test Engineering at Shazam Entertainment in London. Previously, he headed the test organisation at Zoosk in San Francisco, and worked as a software engineer on Microsoft Outlook for Mac, and other products in the Microsoft Office suite. He is an advocate of open source technologies and technical software testing. He earned a Bachelor’s degree in Computer Science, with a minor in Music Technology, from the world-renowned School of Computer Science at Carnegie Mellon University in Pittsburgh.