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Katrin Heitmann

Deputy Division Director

Katrin Heitmann is the deputy director of Argonne’s High Energy Physics division, and a physicist and computational scientist.


Katrin Heitmann is a Physicist and Computational Scientist at Argonne National Laboratory in the High Energy Physics Division. She is also a Senior Associate for the Kavli Institute for Cosmological Physics at the University of Chicago and a member of NAISE at Northwestern. Before joining Argonne, Katrin was a staff member at Los Alamos National Laboratory. Her research currently focuses on computational cosmology, in particular on trying to understand the causes for the accelerated expansion of the Universe. She is responsible for large simulation campaigns with HACC and for the tools in the associated analysis library, CosmoTools. Katrin is a member of several major astrophysical surveys that aim to shed light on this question and was until recently the Spokesperson for the LSST Dark Energy Science Collaboration.

Research Interests:

  • Cosmology
  • Study of dark energy, dark matter, and inflation
  • High-performance computing