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Joseph J. LaViola Jr. is the Charles N. Millican Professor of Computer Science and directs the Interactive Computing Experiences Research Cluster at the University of Central Florida. He is also an adjunct associate research professor in the Computer Science Department at Brown University and the former director of the Modeling and Simulation graduate program. His primary research interests include pen- and touch-based interactive computing, 3D spatial interfaces, human-robot interaction, multimodal interaction, and user interface evaluation. His work has appeared in journals such as ACM TIIS, ACM TOCHI, IEEE PAMI, Presence, and IEEE Computer Graphics & Applications, and he has presented research at conferences including ACM CHI, ACM IUI, IEEE Virtual Reality, and ACM SIGGRAPH. He is also the lead author on the second edition of “3D User Interfaces: Theory and Practice,” the first comprehensive book on 3D user interfaces. In 2009, he won an NSF Career Award to conduct research on mathematical sketching.  Joseph received a Sc.M. in Computer Science in 2000, a Sc.M. in Applied Mathematics in 2001, and a Ph.D. in Computer Science in 2005 from Brown University.