Ph.D., Johns Hopkins University, Baltimore, 2013
Dan is a current KICP and Hubble Fellow and uses Type Ia Supernovae to measure cosmological parameters including dark energy and the current expansion rate of the universe. Dan leads several efforts for large transient surveys. He recently released the most precise measurements of dark energy to date ("The Complete Light-curve Sample of Spectroscopically Confirmed Type Ia Supernovae from Pan-STARRS1 and Cosmological Constraints from The Combined Pantheon Sample") and led the SN analysis for the SH0ES measurement of the Hubble constant ("A 2.4% Determination of the Local Value of the Hubble Constant"). Dan is the Deputy-PI of one of the WFIRST SN teams and is co-lead of the WFIRST Photometric Calibration Group. Dan is also the co-Chair of the LSST Survey Strategy Task Force and co-PI of The Foundation SN Survey. Furthermore, Dan is interested in finding and analyzing the optical counterparts to gravitational wave events and using them to measure the Hubble constant ("Improved constraints on H0 from a combined analysis of gravitational-wave and electromagnetic emission from GW170817").
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