“Horst is a strong leader who has helped to lead a tremendously productive program in high performance computing that is world-class,” said Berkeley Lab Director Paul Alivisatos. “As Deputy Director he’ll help me lead major scientific initiatives, oversee strategic research investments, and maintain the intellectual vitality of Berkeley Lab.”
Prior to this appointment, Simon served as Associate Lab Director for Computing Sciences. In his capacity as Associate Lab Director, Simon helped to establish Berkeley Lab as a world leader in providing supercomputing resources to support research in fields ranging from global climate modeling to astrophysics. He is also an adjunct professor in the College of Engineering at the University of California, Berkeley. In that role he worked to bring the Lab and the campus closer together, developing a designated graduate emphasis in computational science and engineering. In addition, he has worked with project managers from the Department of Energy, the National Institutes of Health, the Department of Defense and other agencies, helping researchers define their project requirements and solve technical challenges.
Simon joined Berkeley Lab in early 1996 as director of the newly formed National Energy Research Scientific Computing Center (NERSC), and was one of the key architects in establishing NERSC at its new location at Berkeley Lab. Under his leadership NERSC enabled important discoveries for research across a wide spectrum of scientific disciplines. Simon was also the founding director of Berkeley Lab’s Computational Research Division, which conducts applied research and development in computer science, computational science, and applied mathematics.
Simon’s research interests are in the development of sparse matrix algorithms, algorithms for large-scale eigenvalue problems, and domain decomposition algorithms for unstructured domains for parallel processing. His algorithm research efforts were honored with the 1988 and the 2009 Gordon Bell Prize for parallel processing research. 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.
He holds an undergraduate degree in mathematics from the Technische Universtät in Berlin, Germany, and a Ph.D. in Mathematics from the University of California at Berkeley. Simon succeeds Jay Keasling, who served as interim Deputy Director. Keasling will return to his duties as Chief Executive Officer of the Joint BioEnergy Institute.
As Deputy Director, Simon will receive an annual salary of $335,000. The Deputy Director’s salary, like that of all other UC employees at the laboratory, is paid from funds derived from the federal DOE contract. No general funds from the state are used to pay the Deputy Director’s salary. In accordance with university policy, he is eligible for participation in the UC Mortgage Origination Program. Simon also will receive standard pension and health and welfare benefits and standard senior management benefits, including senior manager life insurance and executive salary continuation for disability.
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To read a Q & A with Horst Simon, visit