Dr. Maribeth Gandy is the Director of IMTC as well as the Associate Director of Interactive Media for the Institute for People and Technology. She does research in the areas of augmented reality, mobile computing, and HCI. She is a computer scientist who is interested in not only building interesting mobile applications, accessible interfaces, and AR experiences but in bringing HCI techniques for design and evaluation into these domains. Maribeth has worked on a wide array of projects in the 12 years she has been a faculty member at Georgia Tech; ranging from an augmented reality prototyping tool, to an accessible computer interface based on gesture, to a virtual reality experience for exposing theater students to vaudeville. She is currently collaborating with NC State on an NSF funded project to develop cognitive games for older adults.She is currently developing presence metrics for measuring engagement in AR environments using qualitative and quantitative (physiological measures) data. She also teaches the Video Game Design course and the "Principles of Computer Audio" (which she created in 2001) in the College of Computing at Georgia Tech.