Ellen M. Dunn


Ellen Dunn has considerable experience in a range of civil litigation matters, including policyholder and shareholder class actions, complex contractual disputes, internal investigations, insurance insolvencies and commercial arbitrations. She also advises companies in connection with regulatory investigations, governance matters and compliance issues. Ms. Dunn serves as co-head of the firm’s U.S. Litigation practice and is a member of the firm’s Executive Committee.

Representative Matters

  • Defended various insurance companies in class actions and individual lawsuits involving sales practices and underwriting issues;
  • Defended various companies in class actions and individual actions involving financially impaired and insolvent insurance companies;
  • Defended various companies and their directors in shareholder class actions arising out of mergers or other change of control transactions; and
  • Advised various insurance companies and their boards on regulatory and governance matters.

Selected Activities

  • Appointed as Special Assistant United States Attorney for the Banca Nazionale Del Lavoro (“Iraqgate”) Investigation, U.S. Department of Justice
  • Member, Association of the Bar of the City of New York, Federal Bar Council
  • Director, Harleysville Mutual Insurance Company
  • Director, YWCA of the City of New York


  • “Financially Impaired Insurers,” chapter in Insurance Law Practice, The New York State Bar Association (2010).
  • “Insurance Companies,” chapter in Money Laundering, Terrorism and Financial Institutions, The Civic Research Institute (2003).
  • “Financially Impaired Insurers,” chapter in Insurance Law Practice,  The New York State Bar Association (2005).


  • University of Chicago Law School, 1992, J.D.
  • Princeton University, 1985, A.B., cum laude

Bar Admissions

  • New York

Court Admissions

  • U.S. Supreme Court
  • U.S. Court of Appeals, 2nd Circuit
  • U.S. District Court, Southern District of New York
  • U.S. District Court, Eastern District of New York