Shearman & Sterling LLP multinational law firm headquartered in New York City, United States.

Mark Lanpher, partner in the Litigation practice, has extensive experience in securities, white collar, anti-corruption, tax, and regulatory enforcement investigations and litigation. His practice focuses on internal investigations and regulatory enforcement matters involving the Securities and Exchange Commission, the Department of Justice, the CFTC, FINRA, and other Government enforcement agencies. Mr. Lanpher is based in the firm’s Washington, DC office.

Benchmark Litigation selected Mr. Lanpher in its “Under 40 Hot List” in 2016 and 2018, while also recognizing him as a “future star” in its 2015, 2016, and 2017 editions. In 2017, Global Investigations Review selected Mr. Lanpher for its “40 Under 40” list of the world’s leading young investigations specialists.

Prior to joining Shearman & Sterling in 2012, Mr. Lanpher served in a number of government positions, including as an Assistant United States Attorney in the United States Attorney’s Office for the Southern District of New York and as Assistant Chief Litigation Counsel in the SEC’s Division of Enforcement in Washington.

As a federal prosecutor, Mr. Lanpher served as lead prosecutor and trial counsel on a number of high-profile cases, and also argued appeals before the United States Court of Appeals for the Second Circuit. Mr. Lanpher served in the Office’s Organized Crime Unit, where he prosecuted cases under the Racketeer Influenced and Corrupt Organizations Act (“RICO”), and various fraud statutes; he also served as part of the Office’s Mortgage Fraud Task Force, created in the wake of the financial crisis in 2008. For his work as a prosecutor, the United States Attorney General awarded Mr. Lanpher with the John Marshall Award for Trial of Litigation in 2011, and in 2010, Mr. Lanpher was awarded the Federal Law Enforcement Foundation’s Prosecutor of the Year Award.

While at the SEC, Mr. Lanpher played a leadership role in numerous significant SEC enforcement investigations, cases, and settlements, including enforcement actions targeting accounting fraud, offering fraud, CDOs, pump-and-dump schemes, and insider trading. In addition, Mr. Lanpher was a member of the SEC’s Cross-Border Working Group and played a key role in investigations and litigations targeting accounting fraud at China-based issuers, addressing the cross-border issues presented by such government investigations.

In addition to his Government service with the Department of Justice and the Securities and Exchange Commission, following law school, Mr. Lanpher spent one year as a law clerk to Chief Judge Edward R. Korman on the United States District Court for the Eastern District of New York, and spent a second year as a law clerk to Judge Reena Raggi on the United States Court of Appeals for the Second Circuit.