My name is Zak Ruvalcaba and I have been researching, designing, and developing for the Web since 1995. I specialize in web and mobile web site and application development focusing on responsive user interface design, user experience, and usable presentation. I hold a Bachelor's degree from San Diego State University and a Master of Science in Instructional Technology from National University in San Diego.My skill set includes numerous front-end and back-end authoring, scripting, and programming languages, technologies, and tools. Many of which I’ve written about or currently teach at the college level. I am a Microsoft Certified Application Developer for .NET (MCAD) and a Microsoft Certified Solutions Developer for .NET (MCSD).I have been teaching for over 23 years at several colleges including the San Diego Community College District, Mt. San Jacinto Community College, Palomar Community College, and San Diego State University. I am currently an Associate Professor for the Front-End Web Developer and the Full-Stack Web Developer Certificate Programs at the San Diego College of Continuing Education's North City campus. I am also an Adjunct Instructor for San Diego State University’s Global Campus in the Department of Computer Science. Aside from my teaching duties I am also a Web Applications Developer at MiraCosta College.I have written several books on Web Development, including the Dreamweaver Unleashed series on Sam's Publishing, the Build Your Own ASP.NET Website Using C# and VB series on SitePoint Press, Beginning Expression Web by Wrox Press, Murach's Dreamweaver CC 2014 by Mike Murach & Associates, Inc., Murach's HTML5 and CSS3, and Murach's JavaScript and jQuery also by Mike Murach & Associates, Inc. I am also active on Udemy.com with over half a dozen courses published on topics including HTML, CSS, JavaScript, and Python.