Sophia M. Brill

Sophia M. Brill


Washington D.C., (202) 887-8760


Yale College (B.A., 2007)
Yale University (J.D., 2011)

Bar Admissions

New York
District of Columbia

Sophia Brill is an associate in the litigation department in the Washington, D.C. office of Morrison & Foerster, where she represents clients in a wide variety of appellate, national security, data privacy, and crisis management issues.

Ms. Brill has extensive appellate experience, including representing clients in numerous federal courts of appeals and in the U.S. Supreme Court, and providing legal and strategic guidance on complex matters in a broad range of subject areas. In addition, Ms. Brill has a broad range of national security experience and has counseled major U.S. and multi-national corporations on data privacy, cybersecurity, and resiliency planning and in connection with reviews before the Committee on Foreign Investment in the United States (CFIUS).

Before joining the firm, Ms. Brill served as an attorney advisor at the National Security Division in the Department of Justice (DOJ), where she advised the Division’s and DOJ’s leadership on a wide range of national security policy and appellate matters. She regularly counseled senior officials at DOJ on complex constitutional issues relating to privacy and freedom of speech, domestic and international counterterrorism policy, and litigation regarding trans-border data privacy issues.  She also coordinated DOJ’s involvement in policy deliberations convened by the National Security Council and interacted regularly with senior officials from the White House, the Intelligence Community, the State Department, and the Department of Defense on a range of national security and cybersecurity matters.

Before serving at DOJ, Ms. Brill clerked at the Supreme Court for Justice Elena Kagan from 2013-2014 and for Chief Judge Merrick Garland at the U.S. Court of Appeals for the D.C. Circuit Court from 2011-2012.

Ms. Brill graduated from Yale Law School, where she was an editor on the Yale Law Journal and a member of the Supreme Court Advocacy Clinic. She received her undergraduate degree from Yale College magna cum laude, with a Bachelor of Arts in Ethics, Politics, and Economics.

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