## Mathematics

### Ann Almgren

Senior Scientist

Ann Almgren is acting group leader for the Center for Computational Sciences and Engineering and a senior scientist in the Computational Research Division at Berkeley Lab. As an applied mathematician, her areas of expertise include asymptotic analysis, numerical analysis, fluid dynamics, adaptive mesh refinement and high-performance computing for multiscale, multiphysics simulations.

### James Sethian

Director, CAMERA; Group Lead, Mathematic

James Sethian is a professor of mathematics at UC Berkeley, as well as a senior faculty scientist, group lead of the Mathematics Group and director of the CAMERA Center (The Center for Advanced Mathematics for Energy Research Applications) at Berkeley Lab. His work focuses on the theory, algorithms and applications of moving interfaces as they are applied to problems in fluid mechanics, materials science and industrial processes, such as inkjet printing, semiconductor fabrication, biological and medical imaging and geophysics.

### Horst Simon

Berkeley Lab Deputy Director

Horst Simon is an internationally recognized expert in computer science and applied mathematics and the Deputy Director of Lawrence Berkeley National Laboratory (Berkeley Lab). He was also member of the NASA team that developed the NAS Parallel Benchmarks, a widely used standard for evaluating the performance of massively parallel systems. He is co-editor of the biannual TOP500 list that tracks the most powerful supercomputers worldwide, as well as related architecture and technology trends.