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Lois Curfman McInnes is a senior computational scientist in the Mathematics and Computer Science Division of Argonne National Laboratory. She received a Ph.D. in Applied Mathematics from the University of Virginia in 1993.  Her research focuses on numerical algorithms and software for the parallel solution of large-scale scientific applications involving nonlinear partial differential equations and related optimization problems in the PETSc and TAO libraries.  More broadly, her work focuses on high-performance computational science, with emphasis on scalable numerical libraries and community collaboration toward productive and sustainable software ecosystems.

High-Performance Scientific Software

Scientific software productivity and sustainability:  Lois leads work on mathematical libraries in the DOE Exascale Computing Project (ECP).  During 2014-2018 she led community collaboration on the Extreme-scale Scientific Software Development Kit (xSDK), which is working toward a software ecosystem for high-performance numerical libraries.  The vision of the xSDK is to provide infrastructure for and interoperability of a collection of related and complementary software elements—developed by diverse, independent teams throughout the high-performance computing (HPC) community.  Lois also co-leads the IDEAS scientific software productivity project, whose members are catalysts for engaging the community to understand productivity bottlenecks and to improve both developer productivity and software sustainability, as key aspects of increasing overall scientific productivity.

Updates from the SIAM Activity Group on Computational Science and Engineering (SIAG/CSE):

More info:

Lois is also a co-PI of the Frameworks, Algorithms, and Scalable Technologies for Mathematics (FASTMath) Institute, funded by the Department of Energy’s Scientific Discovery through Advanced Computing (SciDAC) program.

Lois co-organized a 2011 workshop on Multiphysics Simulations: Challenges and Opportunities, sponsored by the Institute for Computing in Science (ICiS).   See a special issue of IJHPCA, Feb 2013.

In 1988 Lois earned a B.S. in Mathematics and Physics, Summa Cum Laude, from Muhlenberg College, Allentown, PA.  Lois and her husband have two daughters.  Her extracurricular activities include yoga, participating in triathlons, and co-leading a Girl Scout troop and service unit.

Awards and Honors


Publications at Google Scholar

Selected Recent Professional Activities

Research Interests

  • high-performance scientific computing
  • computational science and engineering
  • numerical solution of partial differential equations and related optimization problems
  • multiphysics algorithms and software
  • scientific software productivity and sustainability


Mathematics and Computer Science Division
Argonne National Laboratory
9700 South Cass Avenue
Argonne, IL 60439-4844

Phone: 630-252-5170

Email: curfman at mcs dot anl dot gov

Selected Prior Projects

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