Ari Arapostathis is a professor at the Department of Electrical and Computer Engineering at the University of Texas at Austin. His research interests include analysis and estimation techniques for stochastic systems, the application of differential geometric methods to the design and analysis of control systems, and stochastic and adaptive control theory. He is an IEEE Fellow and he was an Associate Editor of the IEEE Transactions on Automatic Control and the Journal of Mathematical Systems and Control. Personal Webpage.