Dr. Yokota received his Ph.D. from Keio University, Japan in Mechanical Engineering. During his post-doc at University of Bristol, UK and Boston University, USA he developed a highly parallel FMM code —exaFMM. He is won the 2009 Gordon Bell prize (price/performance) using his FMM code. He was a Research Scientist at the King Abdullah University of Science and Technology (KAUST), Saudi Arabia from 2011-2015, where he worked with David Keyes on FMM preconditioners.