 Moreno began her career in publishing, working for Berkley Publishing Group from November 1983 until August 1986 as the Assistant to the Editorial Director.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.