Petros Koumoutsakos is Herbert S. Winokur Professor of Computing and AI in Science and Engineering Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS). He studied Naval Architecture (Diploma-NTU of Athens, M.Eng.-U. of Michigan), Aeronautics and Applied Mathematics (PhD-Caltech). He has conducted post-doctoral studies at the Center for Parallel Computing at Caltech and at the Center for Turbulent Research at Stanford University and NASA Ames. He has served as the Chair of Computational Science at ETHZ Zurich (1997-2020) and has held visiting fellow positions at Caltech, the University of Tokyo, MIT and at Google DeepMind. Petros is elected Fellow of the American Society of Mechanical Engineers, the American Physical Society (APS), the Society of Industrial and Applied Mathematics (SIAM). He is recipient of the Advanced Investigator Award by the European Research Council (ERC) and led the first European team that won the ACM Gordon Bell prize in Supercomputing in 2013. He is elected International Member to the US National Academy of Engineering (NAE). His research and teaching interests are on the fundamentals and applications of computing and AI to understand, predict and optimize complex systems in engineering and medicine.