Jedidah C. Isler is an American astrophysicist, educator, and an active advocate for diversity in STEM. She became the first African-American woman to complete her PhD in astrophysics at Yale in 2014. She is currently an assistant professor of Astrophysics at Dartmouth College. Her research explores the physics of blazars (hyperactive supermassive black holes) and examines the jet streams emanating from them. In November 2020, Isler was named a member of Joe Biden's presidential transition Agency Review Team to support transition efforts related to the National Aeronautics and Space Administration.