Astrophysicist, NASA Goddard Space Flight Center, Greenbelt, MD (June 2013 - Present)
Adjunct Professor, Department of Astronomy, University of Maryland, College Park, MD (June 2013 - Present)
Adjunct Professor, Department of Physics, George Washington University, Washington, DC (June 2017 - Present)
Principal Investigator, Neil Gehrels Swift Observatory (February 2017 - Present)