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Greg Welch the Florida Hospital Endowed Chair in Healthcare Simulation at the The University of Central Florida, with appointments in the College of Nursing (primary), the Institute for Simulation & Training, and the Department of Electrical Engineering & Computer Science. He is also an Adjunct Professor of Computer Science at The University of North Carolina at Chapel Hill. In 1986 he received a degree in Electrical Technology from Purdue University (with Highest Distinction), and in 1996 a Ph.D. in Computer Science at The University of North Carolina at Chapel Hill. Prior to UCF he was a Research Professor at UNC-Chapel Hill, he worked on the Voyager Spacecraft Project at NASA's Jet Propulsion Laboratory, and on airborne electronic countermeasures at Northrop-Grumman's Defense Systems Division. His current research interests include virtual and augmented reality, human tracking systems, 3D telepresence, computer vision, and stochastic estimation, in particular with applications to healthcare simulation. He has co-authored over 100 publications in these areas, and is a co-inventor on multiple patents. He has served on numerous international program committees, co-chaired workshops and seminars, and is an Associate Editor for the journal Presence: Teleoperators and Virtual Environments. He maintains an internationally-recognized web site dedicated to the Kalman filter. He is a member of the IEEE Computer Society, the Association for Computing Machinery, and the Society for Simulation in Healthcare.