Jonathan Spratley, or as his friends call him, Jonnie, is currently working at GE Software and actively uses technologies such as Yo, Bower, Grunt, Node, AngularJS, and Backbone. He leveraged his knowledge of creating Yeoman web applications to write this book. He started developing with HTML, CSS, and JavaScript around 2004 and has spent several years designing and implementing web applications for both mobile and desktop browsers. He is a full-stack developer with experience in both server- and client-side technologies. His passion for tools and technologies that streamline a developer's productivity has driven him to become an autodidact. He has written articles for Safari Books Online Blog, and Flash & Flex Developer's Magazine. This is his first time as an author.