YKlukas - First Assistant United States Attorney mario.peraza@u… Wed, 06/10/2026 - 06:49 Yara Klukas First Assistant United States Attorney First Assistant United States Attorney Yara Klukas serves as the First Assistant United States Attorney for the Southern District of Florida. Prior to returning to the U.S. Attorney’s Office, she served as a trial judge in the Eleventh Judicial Circuit of Florida where she presided over both civil and criminal domestic violence cases.