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Email: gpetrillo@petrilloklein.com
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Guy Petrillo

Guy Petrillo represents clients in civil and criminal litigation, regulatory proceedings, corporate investigations and compliance. He is a litigator with extensive experience both as a partner in law firms with sophisticated white collar, trial and civil litigation practices and in the Department of Justice, where he served as Chief of the Criminal Division of the United States Attorney's Office for the Southern District of New York (2008-09) and as an Assistant United States Attorney (1990-97).

In January 2008, Mr. Petrillo was appointed Chief of the Criminal Division of the United States Attorney's Office, a position he held through October 2009. In that post, he oversaw the investigative, trial and appellate work of more than 150 Assistant United States Attorneys, in two offices and ten units, including Securities and Commodities Fraud, Complex Frauds, Terrorism and National Security, Organized Crime, Public Corruption, International Narcotics, Narcotics, General Crimes, Asset Forfeiture and Appeals.

In the ten years between Fall 1997 and year-end 2007, Mr. Petrillo, as a partner in a law firm, represented individuals and entities in government enforcement matters (including, among others, prosecutions and investigations by federal and state criminal authorities, the SEC and state attorneys general), civil litigation in federal and state courts, appeals, internal investigations and compliance.

As an attorney in private practice, Mr. Petrillo was recognized repeatedly by The Best Lawyers in America (corporate governance and white collar practice) and Super Lawyers (criminal defense — white collar) and by Chambers USA (securities enforcement). He also served on the Criminal Justice Act Panel of the U.S. District Court for the Southern District of New York and the Committee on Professional Responsibility of the Association of the Bar of the City of New York. In the two years of his service as Criminal Division Chief, Super Lawyers again recognized Mr. Petrillo in its annual surveys.

Earlier in his career, after working as an associate in the litigation department of an international law firm for four years, Mr. Petrillo joined the Criminal Division of the United States Attorney's Office for the Southern District of New York, where, as an Assistant United States Attorney, he led investigations and trials in fraud, money laundering, racketeering, firearms and narcotics cases, among others. As a senior Assistant, he served in the Organized Crime Unit and, during his last two years in the Office, was, respectively, Chief of the Narcotics Unit (1995-96) and the Criminal Division's Chief Appellate Attorney (1996-97).

Mr. Petrillo is a Lecturer at Columbia Law School, where he teaches a class on current topics in criminal prosecution and defense. He has also been a panelist in continuing legal education programs sponsored by the Association of Corporate Counsel, the Practising Law Institute, the American Bankruptcy Institute, West's On-Line and the Association of the Bar of the City of New York.

Mr. Petrillo is admitted to practice before the U.S. Supreme Court; U.S. Court of Appeals for the Second Circuit; U.S. Court of Appeals for the Fourth Circuit; U.S. Court of Appeals for the Seventh Circuit; U.S. District Court for the Southern District of New York; and U.S. District Court for the Eastern District of New York.

Mr. Petrillo is a graduate of New York University School of Law (1986) and Massachusetts Institute of Technology, where he earned undergraduate and graduate degrees (Chemistry; Political Science).

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