Liz DeYoung

Liz DeYoung

Legal Director

Office: Washington, DC

Phone: (202) 706-5238

Email me


Liz DeYoung has more than a decade of combined experience in private and government practice. Liz advises clients regarding demands for user data under ECPA, the CLOUD Act and data localization issues, engagement with law enforcement authorities (both within and outside of the United States), and other matters concerning cross-border access to data. She also provides a range of corporate governance, transactional, and commercial contracting advice to clients.

Prior to joining ZwillGen, Liz served as a federal prosecutor at the Department of Justice, Criminal Division, Office of International Affairs, where she worked with law enforcement authorities worldwide to obtain electronic evidence for use in criminal investigations and prosecutions. Liz has extensive experience with the Electronic Communications Privacy Act (ECPA), the mutual legal assistance process, engagement with U.S. and foreign law enforcement authorities, and issues relating to encryption and cross-border access to data.

Prior to serving as a federal prosecutor, Liz practiced corporate transactional and securities regulatory law at Covington & Burling LLP in Washington D.C. During her more than six years at Covington, she advised clients in connection with a range of complex and smaller transactions as well as corporate governance and securities matters. She also drafted a range of commercial contracts on behalf of clients operating in regulated industries, including license, collaboration, product development, services, asset purchase, loan, and lease agreements.

Liz received her law degree from George Mason University School of Law and her bachelor of arts degree from the University of Pennsylvania.



George Mason University School of Law, J.D., 2008, magna cum laude

University of Pennsylvania, B.A., 2002, magna cum laude


United States Department of Justice, Criminal Division

Covington & Burling LLP



District of Columbia