Zachary A. Keller

Zachary A. Keller is the United States Attorney for the Western District of Louisiana.  As United States Attorney, Mr. Keller oversees the investigation and litigation of all criminal and civil cases brought on behalf of the United States in the Western District of Louisiana.  The Western District consists of 42 of the State’s 64 parishes and geographically encompasses two-thirds of the State of Louisiana.

Prior to becoming United States Attorney on September 29, 2025, Mr. Keller served as a Deputy Chief and Project Safe Neighborhood Coordinator in the Major Crimes section of the U.S. Attorney’s Office for the Southern District of Florida.  Prior to his service as a Deputy Chief, Mr. Keller served in the Civil, Appellate, and Criminal divisions in Miami, where he prosecuted crimes that ranged from manslaughter and carjacking to money laundering and child exploitation.

A West Monroe native, Mr. Keller graduated from George Welch Elementary, West Monroe Middle School, and West Monroe High School before attending Louisiana State University on a Chancellor’s Alumni Scholarship, which provided room and board along with student employment to make attending possible. After graduating summa cum laude from LSU, Mr. Keller attended Yale Law School, graduating in 2013 while also getting a master’s degree from LSU. After law school, Mr. Keller began his career in Jones Day’s Dallas office before beginning his work in public service in 2016. After more than five years as a staff attorney at the Federal Trade Commission working on consumer protection cases, he began working as an Assistant United States Attorney in Miami in 2021.