Lori Diachin has been serving as the Deputy Associate Director for Science and Technology in the Computation Directorate at Lawrence Livermore National Laboratory (LLNL) since 2017. She has been at LLNL for 15 years and previously at Sandia National Laboratories and Argonne National Laboratory. She has held leadership roles in high performance computing for over fifteen years. Her experiences range from serving as the Director for the Center for Applied Scientific Computing at LLNL to leading multi-laboratory teams such as the FASTMath SciDAC Institute and serving as the director for the HPC4Manufacting and HPC4Materials programmes for DOE's Energy Efficiency and Renewable Energy (EERE) and Fossil Energy (FE) programme offices.
Her research interests are in the area of numerical analysis and scientific computing software development. In particular, she has worked on optimization-based mesh quality improvement algorithms and their deployment in software tool kits, the development of interoperable meshing and discretization software, and interactive access to remote large-scale data.
Lori Diachin holds a master's degree and Ph.D. in applied mathematics from the University of Virginia and a bachelor's degree in mathematics from Edinboro University in Pennsylvania.
"Lori has deep technical expertise, years of experience, and a collegial leadership style that qualify her uniquely for the ECP Deputy Director role", stated Bill Goldstein, director of Lawrence Livermore National Laboratory and chairman of the ECP board of directors.
ECP Director Doug Kothe stated: "I have been fortunate to interact and collaborate with Lori for almost two decades and have always been impressed with her talent as an applied mathematician and her ability to work with and lead teams of scientists, engineers, mathematicians, and computer scientists." He continued: "ECP is very fortunate to have an experienced and talented leader such as Lori, whose track record speaks for itself."
The ECP was launched in 2016 as a collaboration between the DOE Office of Science and DOE's National Nuclear Security Administration to accelerate delivery of a capable exascale computing ecosystem critical to DOE missions in national security, scientific discovery and economic competitiveness. The collaboration includes experts from six core national laboratories - Argonne, Lawrence Berkeley, Lawrence Livermore, Los Alamos, Oak Ridge and Sandia - along with representatives from industry and academia.
Exascale is the next level of performance for HPC. Today's petascale systems are measured in quadrillions (1015) of operations per second. Exascale systems will run at quintillions (1018) of operations per second, more realistically simulating the processes involved in applications such as precision medicine, manufacturing, fuels and energy systems and the nation's stockpile stewardship programme, as well as the unseen physics at work within materials and the fundamental forces of the universe. Exascale also holds tremendous potential for emerging disciplines such as large-scale data analytics, machine learning, and artificial intelligence.
"Stephen Lee has set a very high bar during his years of serving as the ECP Deputy Director", stated Lori Diachin. "Stephen's contributions have been extensive, and I'm honoured to have been selected for this important role - important for DOE's efforts in achieving our goals of a capable exascale computing ecosystem, and important for the U.S. HPC community and our nation's efforts toward technology leadership. This is an exciting time in computing, and ECP is a marquis project in defining our future. I look forward to working with the very talented ECP team of researchers as we work to make exascale computing a reality in the next few years."