Ellen has extensive experience as a litigator, in both private practice and at the Department of Justice. Before founding London & Stout, the predecessor of London & Naor, Ellen was a partner at a litigation boutique in San Francisco; before that, she served for almost a decade as an Assistant United States Attorney (“AUSA”) in the Civil Divisions of the Southern District of New York and the Northern District of California.

As an AUSA, Ellen handled a variety of complex and high-stakes matters, including those involving the False Claims Act; the Anti-Kickback Statute; the Freedom of Information Act; constitutional law; torts; and appeals. Ellen successfully prosecuted multiple billion-dollar cases, including serving as trial counsel in a FIRREA action resulting in a $1.2 billion judgment and as one of the lead counsel in the Wells Fargo sales practices investigation resulting in a $3 billion settlement. Ellen has led False Claims Act cases resulting in large recoveries for the government, successfully prosecuted health care fraud and anti-kickback matters. She has also argued and won multiple appeals in the Second and Ninth Circuits. In 2015, Ellen was a recipient of a Director’s Award for Superior Performance as an Assistant United States Attorney as well as the Award for Excellence from the Council of the Inspector General on Integrity and Efficiency.

Before serving as an AUSA, Ellen worked at two law firms in New York City. In private practice, she has represented and advised numerous companies and individuals in a range of matters, including navigating government requests for information, internal and/or government investigations, and various commercial disputes (on both the plaintiff’s and defendant’s sides). In her investigations practice, she has conducted multiple high-profile and sensitive investigations for public entities involving whistleblower allegations, fraud, and discrimination and harassment. In the government context, she has represented numerous companies that have been accused of fraud with regard to PPP funds.

Ellen is actively involved in the Bay Area Jewish community. She is a member of the Board of Directors at Sinai Memorial Chapel; and she is the President of the Board of Directors at Congregation Netivot Shalom. Ellen previously served as a member of the Board of Directors of Luna Dance Institute.