Katarzyna Keahey is a Senior Computer Scientist at Argonne National Laboratory and the Consortium for Advanced Science and Engineering (CASE) of the University of Chicago.[9] She is a Principal Investigator (PI) of the Chameleon project, which provides an innovative experimentation platform for computer science systems experiments.[10] She created Nimbus, one of the first open source implementations of infrastructure-as-a-Service (IaaS), and co-founded the SoftwareX journal, publishing software as a scientific instrument.[1][11][6]