Alessandra DeBlasio

Alessandra DeBlasio is an accomplished trial lawyer and appellate advocate. She has tried over 30 cases to verdict in federal court, litigated over 20 appeals in federal and state court, and resolved well over 100 federal criminal matters short of trial.

Prior to founding her solo litigation practice in 2009, Ms. DeBlasio represented the United States for nearly eight years in federal trial and appellate courts, as well as in the international arena:

I began my government career at the U.S. Department of Justice’s headquarters in Washington, D.C., in the Criminal Division’s Office of International Affairs:

  • I was an official U.S. delegate at the final rounds of multilateral treaty negotiations at the United Nations in New York and Rome, for the establishment of the International Criminal Court in 1998
  • I assisted the Attorney General of Switzerland, Carla del Ponte, in 1998 in the largest money-laundering prosecution in Swiss history, facilitating her evidence-gathering and depositions within the United States
  • I teamed up with attorneys from the U.S. Department of State to negotiate bilateral law enforcement treaties with France and with Paraguay, and
  • I facilitated criminal prosecutions and extraditions between the United States and Argentina, Brazil, France, Italy, Mexico and Switzerland, working with my foreign counterparts predominantly in French, Italian, Portuguese and Spanish.

Subsequently, I moved from Washington, D.C., across the river to the U.S. Attorney’s Office for the Eastern District of Virginia, in Alexandria. There I was second in charge of the Criminal Appeals Unit:

  • I appealed adverse lower court decisions to the U.S. Court of Appeals for the Fourth Circuit
  • I managed the Office’s defensive appellate practice, preparing colleagues’ appellate briefs for submission and authoring sections of colleagues’ briefs involving complex legal issues, and
  • I facilitated the early stage of the prosecution of Zacarias Moussaoui – the 20th hijacker in the 9/11 terrorist attacks on the World Trade Center and Pentagon – successfully opposing Moussaoui’s pre-trial petitions and interlocutory appeals to the Fourth Circuit.

I then moved over to the U.S. Attorney’s Office in Washington, D.C., where I had a role in prosecuting more than a hundred violent and non-violent criminal cases, personally taking 30 felony and misdemeanor cases to trial.

Following these eight years in the public sector, but before opening her solo practice, Ms. DeBlasio litigated for several years at law firms based in New York City:

I was a senior litigator at the pre-eminent international law firm Shearman & Sterling LLP, where I worked together with partners and associates to advise multinational companies under SEC and Department of Justice investigation for possible insider trading and Foreign Corrupt Practices Act abuses. In addition, I handled several pro bono cases and mentored new litigation associates working toward their very first court appearances in pro bono criminal and immigration matters.

I worked as well at the legendary New York personal injury law offices of my father, Peter E. DeBlasio – a renowned orator and master of the courtroom – now retired but in his heyday recognized by his peers across the nation as one of the greatest trial lawyers of the second half of the 20th century. I worked on and off at my father’s office over the years, assisting in countless pre-trial matters and, in 2005-2006, during the final year of my father’s practice, I tried and won the firm’s last case, a wrongful death action in Manhattan federal court.

Ms. DeBlasio has also served as an Adjunct Professor at Fordham University School of Law and a repeat guest lecturer at George Washington University School of Law, and she worked as a consultant in the 1990s for several civil rights and international human rights organizations on matters involving the United States, Brazil and Mozambique.

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