John Dean is an Associate Professor in the Computer Science and Mathematics Department at Park University. He earned a Ph.D. degree in computer science from Nova Southeastern University and an M.S. degree in computer science from the University of Kansas. He is Java certified and has worked in industry as a software engineer and project manager, specializing in Java and various Web technologies JavaScript, JavaServer Pages, and servlets. He has taught a full range of computer science courses, including Java programming and Java-based web programming. He has authored a web programming textbook with a focus on client-side technologies HTML5, CSS, and JavaScript.