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Photo of  David A. Sirignano

honors + affiliations

Former Chair, Subcommittee on Public Company Disclosure and Continuous Reporting, Federal Regulation of Securities Committee (2001–2006)

Member, American Bar Association

Listed, The Best Lawyers in America (2006–2011)

Thompson Reuters DC Super Lawyer for Securities and Corporate Finance (2013–2014)

bar admissions

  • District of Columbia
  • New York
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David A. Sirignano

Washington, D.C.
1111 Pennsylvania Ave., NW
Washington, DC 20004-2541
United States
Phone: +1.202.739.5420
Fax: +1.202.739.3001

David A. Sirignano is a partner in Morgan Lewis's Securities Practice. Mr. Sirignano focuses on international and domestic corporate finance, structured finance, mergers and acquisitions, and SEC regulation. He is co-head of the firm's Securities Practice. Before joining the firm in Washington, he was Associate Director for International Corporate Finance in the SEC's Division of Corporation Finance. In that position, he developed SEC policy on cross-border offerings, acquisitions and listings, including offshore Internet offerings, international disclosure and accounting standards, as well as international corporate governance guidelines. He also advised the SEC and its Division of Enforcement on financial fraud cases and cross-border offering abuses.

Previously, Mr. Sirignano served as the SEC Senior Legal Advisor to the Director of the Division of Corporation Finance, and as Staff Director of the Advisory Committee on Capital Formation and Regulatory Processes. He also was Chief of the Division's Office of Tender Offers, administering rules on mergers and acquisitions, going private transactions and proxy contests.

Mr. Sirignano is vice-chair of the ABA Federal Regulation of Securities Committee and a former chair of the ABA Subcommittee on Corporate Disclosure. He has also served as a member of the FINRA Corporate Financing Committee. Mr. Sirignano is a frequent speaker at seminars, conferences and continuing legal education programs on international finance, Internet securities issues, corporate governance, mergers, acquisitions, restructurings and proxy contests. Mr. Sirignano was an adjunct professor at Georgetown University Law Center, where he taught a course on mergers and acquisitions.

Mr. Sirignano is admitted to practice in the District of Columbia and New York.


  • Union University, Albany Law School, 1978, J.D.
  • Manhattan College, 1975, B.A.