Julie McEnery is an astrophysicist at the Goddard Space Flight Center where she is the senior project scientist for the Nancy Grace Roman Space Telescope. Until 2020 she was the project scientist for the Fermi Gamma-Ray Space Telescope. McEnery received a PhD in Experimental Physics from University College Dublin in 1998. For her PhD, she observed the galaxy Markarian 421. She is a fellow of the American Physical Society, and an adjunct professor of physics at The University of Maryland and George Washington University. McEnery has spoken about how she admires Nancy Roman.