Senior Counsel

David D. Aufhauser

David Aufhauser Photo

David Aufhauser has a diverse practice in complex financial, securities and commercial litigation and investigation. Representative matters have included securities, banking, trade secrets, Bank Secrecy Act and sanctions, health care, and regulatory controversies on behalf of directors, officers and corporate clients. 

David joined Williams & Connolly in 1977, and practiced with the firm until 2001, when he became Senate-confirmed general counsel to the U.S. Department of Treasury.  In 2004, David became managing director and global general counsel at the investment bank, UBS, a position he held for four years before returning to the firm.

At Treasury, David supervised legal functions in International Affairs, Domestic Banking and Finance, Enforcement, the Internal Revenue Service, the U.S. Bureau of Customs, the Office of Foreign Asset Controls, the Secret Service, ATF, the Financial Crimes Enforcement Network and the U.S. Mint.  He also served as the Secretary's representative on the Department of Justice Corporate Fraud Task Force, the chairman of the National Security Council's policy coordinating committee on terrorist financing, and counsel to the Secretary on the President's working group on financial markets, and as a board member of the Federal Financing Bank. David also supervised the implementation of Treasury's economic sanctions program and the Patriot Act, and worked on a wide range of other issues, including Iraq and Afghanistan reconstruction, sovereign debt restructuring, tax reform, money laundering, China trade and currency matters, and reform of international financial institutions.

For his public service, David was awarded the Treasury Department's highest honor, the Alexander Hamilton Award, and has been cited with awards for leadership and distinction in diplomacy, intelligence and law enforcement by the U.S. Department of State, the Federal Bureau of Investigation, the Central Intelligence Agency, and the U.S. Secret Service.

David has testified frequently before Congress and has been a guest lecturer at the law schools of Harvard University, the University of Chicago, the University of Pennsylvania and Georgetown University, and at MIT’s Sloan School of Management, Johns Hopkins School of Advanced International Studies, the New School, the Brookings Institution, and the Council on Foreign Relations.

Born in New York City, David grew up in Stony Brook, New York, and received his A.B. from Wesleyan University in 1972.  He received an M.B.A. from Harvard University, with a concentration in finance, and his J.D. from the University of Pennsylvania Law School in 1977.  He joined Williams & Connolly that same year. David has been a member of the firm’s Executive Committee.

David has served as a senior adviser at the Center for Strategic & International Studies (CSIS), and is a current member of the Council on Foreign Relations and a director of the Atlantic Council.

Representative Experience

  • Representation of Bank CEO in FDIC/SEC government investigations, enforcement matters and shareholder suits
  • Representation of CEO of mortgage origination company in SEC civil suit
  • Representation of major stock trading exchange in shareholder and SEC actions
  • Representation of Chief Compliance Officer of Money Center Bank in enforcement proceedings
  • Representation of financial adviser in insider trading probe
  • Resolution of money laundering investigation in electronic digital currencies
  • Counsel to companies and individuals regarding the US sanctions program
  • Representation of senior officer of Fannie Mae in government investigations
  • Representation of senior officers in FCPA investigations
  • Counsel in dissolution of casinos



Alexander Hamilton Prize, U.S. Department of Treasury

“Washington’s Top Lawyers,” Washingtonian magazine, 2009 and 2011


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