Lori Ann Diachin (formerly Lori Ann Freitag) is an American computer scientist specializing in

scientific computing Computational science, also known as scientific computing, technical computing or scientific computation (SC), is a division of science, and more specifically the Computer Sciences, which uses advanced computing capabilities to understand and s ...

mesh generation Mesh generation is the practice of creating a polygon mesh, mesh, a subdivision of a continuous geometric space into discrete geometric and topological cells. Often these cells form a simplicial complex. Usually the cells partition the geometric ...

, mesh improvement, and

interoperability Interoperability is a characteristic of a product or system to work with other products or systems. While the term was initially defined for information technology or systems engineering services to allow for information exchange, a broader de ...

. She works in the Computation Directorate of the

Lawrence Livermore National Laboratory Lawrence Livermore National Laboratory (LLNL) is a Federally funded research and development centers, federally funded research and development center in Livermore, California, United States. Originally established in 1952, the laboratory now i ...

, where she is Deputy Associate Director for Science and Technology, and Deputy Director of the Exascale Computing Project.

Education and career

Freitag's father was a professor, specializing in mathematics education. She majored in mathematics at

Edinboro University of Pennsylvania Pennsylvania Western University, Edinboro (abbreviated as PennWest Edinboro) is a campus of Pennsylvania Western University in Edinboro, Pennsylvania. The campus had an enrollment of 2,259 as of fall 2024. History PennWest Edinboro was foun ...

, graduating in 1988, and did graduate study in applied mathematics and

numerical analysis Numerical analysis is the study of algorithms that use numerical approximation (as opposed to symbolic computation, symbolic manipulations) for the problems of mathematical analysis (as distinguished from discrete mathematics). It is the study of ...

at the

University of Virginia The University of Virginia (UVA) is a Public university#United States, public research university in Charlottesville, Virginia, United States. It was founded in 1819 by Thomas Jefferson and contains his The Lawn, Academical Village, a World H ...

, completing her Ph.D. there in 1992. Her dissertation, ''Parallel Solution of the Generalized Helmholtz Equation on Distributed Memory Architectures'', was supervised by James McDonough Ortega. She became a researcher at the

Argonne National Laboratory Argonne National Laboratory is a Federally funded research and development centers, federally funded research and development center in Lemont, Illinois, Lemont, Illinois, United States. Founded in 1946, the laboratory is owned by the United Sta ...

, working there on the CAVE virtual-reality environment. She also worked as a researcher at the

Sandia National Laboratory Sandia National Laboratories (SNL), also known as Sandia, is one of three research and development laboratories of the United States Department of Energy's National Nuclear Security Administration (NNSA). Headquartered in Kirtland Air Force Bas ...

, before moving to the Lawrence Livermore National Laboratory in 2003.

Recognition

Diachin was one of the 1997 winners of the

Presidential Early Career Award for Scientists and Engineers The Presidential Early Career Award for Scientists and Engineers (PECASE) is the highest honor bestowed by the United States federal government on outstanding scientists and engineers in the early stages of their independent research careers. T ...

References

External links

* {{DEFAULTSORT:Diachin, Lori Year of birth missing (living people) Living people American computer scientists American women computer scientists Pennsylvania Western University, Edinboro alumni University of Virginia alumni Argonne National Laboratory people Sandia National Laboratories people Lawrence Livermore National Laboratory staff Recipients of the Presidential Early Career Award for Scientists and Engineers