< Directory Daniel L. Stein

Mr. Stein is a partner in the Firm’s Litigation Department.

Mr. Stein represents institutional and individual clients in regulatory enforcement matters, criminal investigations, and complex civil litigation in state and federal courts.  He also advises institutional clients regarding regulatory enforcement and compliance matters.  His clients include financial institutions, hedge funds, corporations, investment bankers, attorneys, brokers, traders and other investment professionals.

Mr. Stein is an experienced trial lawyer and appellate advocate, who has tried more than a dozen cases to verdict before courts and juries and argued numerous appeals.  He has experience counseling clients and conducting internal investigations with regard to investigations conducted by the Department of Justice, various United States Attorney’s Offices, the New York Attorney General, the SEC, FINRA, the United States Department of Labor, the Manhattan District Attorney, the FBI, and other law enforcement agencies.

From 2003 to 2011, Mr. Stein served as an Assistant United States Attorney in the United States Attorney’s Office for the Southern District of New York.  From 2009 to 2011, he served as Chief of that Office’s Public Corruption Unit, where he supervised a team of federal prosecutors charged with investigating allegations of official corruption in the New York state legislature, the New York City Council, the New York City Police Department, and numerous local, state and federal executive offices, as well as criminal violations of local, state, and federal campaign finance laws.  In April 2010, City Hall News included Mr. Stein in its list of the 20 most influential unelected officials in New York City. 

During his time as a federal prosecutor, Mr. Stein investigated and prosecuted cases arising out of a number of industries including government contracts and procurement, asset management, higher education, construction, media, and information technology.  He handled cases involving charges of securities fraud, investment adviser fraud, bribery, kickbacks, honest services fraud, bank fraud, mail and wire fraud, embezzlement, money laundering, false statements, and obstruction of justice, and criminal tax offenses, among others.  He also litigated First Amendment claims in the District Court and in the United States Court of Appeals for the Second Circuit.

Mr. Stein is a 1999 graduate of the Yale Law School.  From 1999 to 2000, he served as a law clerk to the Honorable Leonard B. Sand, United States District Judge for the Southern District of New York.  From 2000 to 2003, he was an associate at an international law firm, where he worked on numerous criminal, civil, and regulatory matters, including the representation of an international financial institution in connection with an SEC investigation and related civil litigation arising out of a large-scale Ponzi scheme.

Mr. Stein is admitted to practice in New York, the United States District Court for the Southern District of New York, and the United States Courts of Appeals for the Second and Third Circuits.

Honors & Awards

  • Recommended by The Legal 500 United States in the area White Collar Criminal Defense (2013)
  • Selected by Super Lawyers magazine as a New York Rising Star for White Collar Criminal Defense and Business Litigation (2013)


Seminars & Speaking Engagements


Photo of Daniel L. Stein

New York Office
T:  212.530.1830
F:  917.344.8830

  • Honorable Leonard B. Sand, United States District Judge for the Southern District of New York
  • Yale Law School, J.D., 1999
  • Columbia University, A.B., summa cum laude, 1996
Bar and Court Admissions
  • New York State
  • United States Supreme Court
  • U.S. Court of Appeals for the Second Circuit
  • U.S. Court of Appeals for the Third Circuit
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Eastern District of New York