News
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I receive the 2026 Rackham Distinguished Graduate Mentor Award
from UM's Rackham Graduate School (May 2026)
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DESI completes 5 years of observations ; UM press release (April 2026)
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My cosmology textbook wins the Chambliss Astronomical Writing Award (January 2025)
About
I am a theoretical cosmologist, and work as a professor of Physics at the University of Michigan. I also currently serve as the Associate Chair for the Physics Graduate Program at UM. I am a member of two large collaborations, Dark Energy Survey (DES, on which I co-led the Theory and Combined Probes working group in 2018–21), and Dark Energy Spectroscopic Instrument (DESI), where I co-led the Key Project in charge of producing cosmological results from the first year of data from the survey. For more detail, see the “About me” link above.