Is the W.A. "Tex" Moncrief Chair of Computational Oncology and Professor of Biomedical Engineering, Diagnostic Medicine, and Oncology at The University of Texas. Founding Director of the Center for Computational Oncology, and co-Director for the Quantitative Oncology Research Program and Director of Cancer Imaging Research within the Livestrong Cancer Institutes at UT Austin. Adjunct Professor of Imaging Physics at MD Anderson Cancer Center.