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Zarija Lukić is a research scientist in the Computational Cosmology Center. He earned his astrophysics Ph.D. in 2008 from the University of Illinois at Urbana-Champaign and has been a postdoctoral researcher in the Theoretical Division of Los Alamos National Laboratory (2008-2011) and the Computational Research Division of Lawrence Berkeley Lab (2011-2013). Zarija's research combines (astro)physics, high-performance computing and "big data". He has published research articles in both physics and computational science venues. The main topics of his research are the formation and evolution of the structure of the Universe and different ways of determining cosmological parameters from sky surveys. His studies involve modeling the Lyman-alpha absorption observed in spectra of distant quasars, the evolution and properties of clusters of galaxies, and the internal structure and statistical properties of dark matter halos, among topics.