Charlie Catlett (born 1960) is a senior computer scientist at Argonne National Laboratory and a visiting senior fellow at the University of Chicago. From 2020 to 2022 he was a senior research scientist at the University of Illinois. He was previously a senior computer scientist at Argonne National Laboratory and a senior fellow in the Computation Institute, a joint institute of Argonne National Laboratory and The University of Chicago, and a senior fellow at the University of Chicago's Harris School of Public Policy.
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