Paolo Calafiura is a computational physicist in the Physics and X-Ray Science Computing Group which he also leads. He works on software frameworks, tools, and methods for high-energy and nuclear physics experiments. Currently, he is the US Computing and Software operations manager for the ATLAS experiment at CERN. He is also co-PI of the HEP Center for Computational Excellence. His research interests include portable data models, distributed workflows scheduling, and pattern recognition methods for noisy experimental data.