Barrón-López was part of the News Hour team honored with a Peabody Award in 2024 for its coverage of the Israel-Hamas war.

Previously, Barrón-López was a White House reporter for POLITICO. In her time covering the Biden administration for POLITICO, she focused on the power dynamics between the White House and Capitol Hill, covering the president's agenda on gun violence, immigration, voting rights, infrastructure and more. Barrón-López previously covered the 2020 presidential election for POLITICO as a national political reporter, focusing on voter demographics, and policy shifts within the Democratic Party.

Barrón-López previously led 2018 coverage of the Democratic Party for the Washington Examiner. Before that, Barrón-López covered Congress for HuffPost, focusing on climate change, criminal justice reform, and coal miner pensions, among other policy debates in the Senate and House.

Early in her career, she covered energy and environment policy for The Hill. Her work has been published in The Oregonian, OC Register, E&E Publishing, and Roll Call. Barrón-López earned a bachelor's degree from California State University, Fullerton.