Gail Slater

Abigail Slater (née Conlon; born December 10, 1971) is an Irish-born American lawyer and political advisor who served as the assistant attorney general for the U.S. Department of Justice's Antitrust Division from March 2025 to February 2026.

Early life Slater is from Dalkey, Dublin, in Ireland. She moved to the U.S. in 2003 and holds dual citizenship.

Career Slater started her career with the British law firm Freshfields (now Freshfields Bruckhaus Deringer). At the FTC, she worked on several cases to block major mergers, including one in which Whole Foods Market was attempting to acquire Wild Oats Markets, as well as a case involving the pharmaceutical company Cephalon. After a year in the Trump administration, Slater left to become the senior vice president for policy and strategy at Fox Corporation. She later became a vice president and deputy general counsel for Roku, Inc.

In 2024, Slater became a policy advisor for vice presidential candidate and later Vice President-elect JD Vance. When Donald Trump won the 2024 presidential election, Slater became an advisor for his transition team on antitrust policy. On December 4, 2024, Trump nominated her to serve as Assistant Attorney General for the Department of Justice Antitrust Division. She announced her immediate resignation on February 12, 2026.