Julie Sweeney is an associate in the firm’s Cybersecurity & Data Privacy and Litigation & Dispute Resolution practices. Julie advises US companies and multinational organizations on complex global privacy and data protection compliance efforts, data breach response, and AG investigations. Her clients span a broad range of industries, including in the automotive, technology, communications, and energy sectors. Julie’s practice includes counseling on the California Consumer Privacy Act (CCPA), the forthcoming California Privacy Rights Act (CPRA), and the General Data Protection Regulation (GDPR), among other key privacy and security frameworks. Julie also helps clients draft and negotiate DPAs and other commercial arrangements.

Prior to joining Mayer Brown, Julie was counsel in a multidistrict class action litigation stemming from a data breach at a prominent Washington DC law firm.

Julie received her JD from George Washington University, where she was a Dean’s Scholar and recipient of the Jacob Burns Award, presented to the winning team of the Van Vleck Constitutional Moot Court Competition. Julie was also a research assistant to Professor Daniel Solove, a Writing Fellow, and a member of the George Washington International Law Review.

Julie’s thought leadership has been published in the Harvard Law School Forum on Corporate Governance.


George Washington University Law School, JD, with honors

Ohio State University, BA, magna cum laude


  • District of Columbia