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Professor of Astronomy, Harvard University

I am a Professor of Astronomy at Harvard University. With my students and postdoctoral fellows, we research a wide range of explosive and eruptive astrophysical phenomena, including gamma-ray bursts, tidal disruption events, super-luminous supernovae, and other optical transients (from the Pan-STARRS project and elsewhere), as well as magnetic activity in sub-stellar objects. We use observations across the electromagnetic spectrum – from radio to γ-rays – utilizing observatories around the world and in space.

I was previously a joint Hubble Postdoctoral Fellow (2004-2007) and Carnegie-Princeton Postdoctoral Fellow (2004-2008) at the Carnegie Observatories and Princeton University.

I received a PhD in Astrophysics from Caltech in 2004, with a thesis focused on multi-wavelength studies of gamma-ray bursts, their host galaxies, and type Ib/c core-collapse supernovae.

I have been a professor at Harvard since 2008. I came in as an assistant professor (2008-2011), became a John L. Loeb Associate Professor of the Natural Sciences (2011-2014) and received tenure with a rank of full professor in 2014.


  • –present
    Professor of Astronomy, Harvard University


  • 2004 
    Caltech, PhD / Astrophysics