He was a research fellow at Harvard University before moving to the Fermi National Accelerator Laboratory.
[1] His research has focused on the intersection of physics and cosmology and has out studies on dark matter, dark energy, and cosmological neutrinos.
[3][4][5] He has played a key role in numerous cosmological surveys, including co-chairing the Science Committee of the Dark Energy Survey.
[1] From 2006 to 2008, Dodelson was interim director of the Fermilab Center for Particle Astrophysics.
He was managing editor of International Journal of Modern Physics D from 2004 to 2008.