Charles Catlett is founding director of the Urban Center for Computation and Data (UrbanCCD), which brings scientists, artists, architects, technologists, and policymakers together to use computation, data analytics, and embedded systems to pursue insight into the dynamics, design, and resilient operation of cities. He leads the National Science Foundation-funded Array of Things, establishing a network of 500 Argonne-developed intelligent sensor units in Chicago. He is a senior computer scientist at Argonne, a senior fellow at the Computation Institute of the University of Chicago and Argonne, and a senior fellow at the Harris School of Public Policy at the University of Chicago. In previous roles he was chief information officer for Argonne, director of the NSF “TeraGrid” nationally distributed supercomputing facility, designer and director of the I-WIRE regional optical network, and chief technology officer at the National Center for Supercomputing Applications. He has worked in internet and supercomputing technologies since 1985. Recognized as one of 25 “Doers, Dreamers & Drivers” of 2016 by Government Technology magazine and one of Chicago’s “Tech 50” technology leaders in 2014 by Crain’s Chicago Business, Catlett is a computer engineering graduate of the University of Illinois at Urbana-Champaign.