For more than a decade, Jenifer Tidwell has been designing and building user interfaces for a variety of industry verticals, often in the Java programming language. She has experience in designing both desktop and Web applications. As a user interface designer at The MathWorks, Jenifer was instrumental in a redesign of the charting and visualization UI of MATLAB, which is used by researchers, students, and engineers worldwide to develop cars, planes, proteins, and theories about the universe. In 2007 E-consultancy.com reported that O’Reilly author Jenifer Tidwell is one of their “top ten user experience gurus."