 From August 1986 until August 1987, Moreno served as a Trial Preparation Assistant in the Manhattan District Attorney's Office's Sex Crimes Prosecution unit.During law school, Moreno worked from June 1988 until August 1988 for the United States Senate Committee on the Judiciary as a legal intern for then-U.S. Sen. Joe Biden.She also worked as a summer associate for Kaye Scholer LLP in Washington, D.C. from June 1989 until August 1989.