Theo Mandel’s background includes over twenty years in the field of user interface design and usability. He earned an M.A. and Ph.D. in Cognitive and Quantitative Psychology from the University of Colorado. He spent eleven years at IBM conducting software interface research, establishing industry-wide guidelines in graphical user interfaces and object-oriented user interfaces (OOUIs), and conducting hardware and software usability evaluations. He’s written two well-respected books in our field. The most recent is The Elements of User Interface Design (Wiley & Sons, 1997). Since 1992, he’s worked as an independent software usability consultant. He was also a co-founder and the chief usability officer for an electronic medical records software company in the late 1990’s. He serves as the healthcare chairman for World Usability Day 2007 and kicked off WUD 2007 at the UPA conference with the case study described in this article. He has worked in healthcare usability for the past ten years.