David N. Kelley, the former United States Attorney for the Southern District of New York, has cultivated a revered reputation for his defense of high-profile matters involving sensitive white collar litigation and investigations before major regulatory bodies. His more than three decades of experience span a diverse range of commercial litigation and federal securities as well as grand jury investigations, prosecutions and congressional inquiries. As an experienced trial lawyer and investigator, Mr. Kelley represents multinational and domestic public companies, boards of directors, audit committees, and individuals, including officers and directors, on issues arising across a broad spectrum of industries, including defense, energy, healthcare, pharmaceuticals, financial services, infrastructure, insurance, oil and gas, and retail.

Lauded as "an amazing lawyer" who is "very good at seeing the big picture," Mr. Kelley advises clients around the globe on complex business crime disputes and litigates high-stakes external investigations before federal and state government regulators and prosecutors ( Chambers USA 2021 ). He has appeared in courts and before regulatory bodies across the United States, and abroad, including the SEC, DOJ, Department of the Treasury, Office of Foreign Assets Control, Office of the Comptroller of the Currency, the Federal Reserve Bank, State Attorneys General, Inspector Generals of various government agencies, and the UK Financial Conduct Authority. In addition, he represents clients in matters that involve alleged violations of the federal False Claims Act and state consumer fraud and deceptive practices statutes. He has testified as an expert witness on federal criminal investigations and on the Anti-Kickback statute. Mr. Kelley also has significant experience conducting a variety of internal investigations concerning accounting fraud and irregularities, earnings management, option backdating, commercial bribery, and personnel misfeasance.

Mr. Kelley is consistently recognized by prominent legal publications including Chambers and Legal 500 . In 2021, he was recognized by The Best Lawyers in America for his work in Commercial Litigation and Criminal Defense: White-Collar. In 2022, he was recognized as a leading lawyer by Lawdragon as among the top 500 leading lawyers in America. As a federal prosecutor, he drew acclaim for obtaining convictions of, among others, WorldCom CEO Bernie Ebbers in his conviction of fraud and conspiracy, Martha Stewart regarding her trades of ImClone stock, and the five La Cosa Nostra families on charges of racketeering and murder. Described by clients as a "terrific enforcement lawyer," Mr. Kelley is also well regarded for his representation of Princess Cruise Lines in a settlement and resolution of a criminal investigation with the Environmental and Natural Resources Division of DOJ for environmental offenses, serving as an independent monitor of Toyota’s compliance with safety efforts as part of a deferred prosecution agreement, representing Wal-Mart’s audit committee in an investigation into the company’s FCPA compliance and allegations of corruption, and counseling HSBC Holdings plc concerning the bank’s global dollar clearing services and Bank Secrecy Act compliance.

Mr. Kelley served as the U.S. Attorney for the Southern District of New York from 2003 to 2005, and prior to that, Deputy U.S. Attorney from 2002 to 2003. During his more than 17-years with the office, he oversaw the investigation and prosecution of cases involving an array of federal crimes pertaining to the FCPA and the Office of Foreign Assets Control as well as white collar crime, securities fraud, terrorism, and national security issues. In addition, Mr. Kelley was appointed by the New York City Police Commissioner to Chair Crime Reporting Review Committee, where he investigated the integrity of the NYPD’s crime statistics reporting processes. His previous experience also includes serving as co-chair of the Justice Department's nationwide investigation into the 9/11 attacks, in which capacity he personally prosecuted John Walker Lindh. Furthermore, Mr. Kelley, who served as chief of the organized crime and terrorism unit from 1995 to 2002, is noted for leading the investigations of the 2000 Millennium bombing plots, the 2000 attack of the USS Cole in Yemen, the 1997 bombings of the U.S. embassies in Kenya and Tanzania, and for prosecuting Ramzi Yousef for his role in the 1993 bombing of the World Trade Center.

He has served as an adjunct professor at New York Law School and has also taught trial advocacy clinics at Harvard and Hofstra Law Schools. Prior to joining Dechert, Mr. Kelley served as a partner and Executive Committee member at Cahill Gordon & Reindel.