Leona received her J.D. from New York University Law School and she received her B.S. from Cornell University. Immediately prior to joining NYU in 1986, Leona was Trial Counsel to Reliance Group Holdings in New York City. Previously, she was an Assistant United States Attorney in the Southern District of New York, served as Chief of the Civil Tax Unit of that office, an Associate Attorney at the law firm of Lord, Day & Lord, and also served as Law Secretary to the Honorable Arnold Fraiman, Justice of the New York State Supreme Court.