Attorneys Danielle Mazzeo and Labaton Keller Sucharow

An Associate at Labaton Keller Sucharow LLP in New York, Danielle Mazzeo specializes in cybersecurity and data privacy litigation on behalf of consumers, as well as representing institutional investors in securities fraud class actions.

Recognized as a “Rising Star” by Law360 and a “Next Generation Lawyer” by Lawdragon, Danielle has played a significant role in litigating against major companies such as Amazon, PowerSchool, and Hain Celestial. One of her notable achievements was her involvement in securing a groundbreaking jury verdict in a data privacy case against Meta Platforms Inc. The case held Meta accountable for the unauthorized collection and commercial use of sensitive health data from the Flo Health app, marking a significant milestone in consumer protection.

Aside from her work in data privacy litigation, Danielle has also been part of successful litigation teams that resulted in substantial investor recoveries. For instance, she was involved in cases like Boston Retirement System v. Uber Technologies, Inc. which led to a $200 million settlement, and In re Allstate Corporation Securities Litigation which resulted in a $90 million settlement.

Prior to joining Labaton Keller Sucharow LLP, Danielle served as a Judicial Extern to Justice Andrea Masley in the New York State Supreme Court. She also volunteered for the Mortgage Foreclosure Pro Bono Project at the Nassau County Bar Association, assisting attorneys in gathering client information and preparing for settlement conferences.

Danielle’s commitment to the legal profession goes beyond her casework. She has actively participated in the Federal Bar Council, serving as the 2024 Event Co-Chair for the Fall Bench and Bar Retreat. This event provides legal professionals with valuable opportunities for collaboration and networking through panel discussions and interactions with members of the legal community.

In addition, Danielle is a member of The Sedona Conference Working Group 11, showcasing her dedication to staying current on legal issues and developments in the field. She holds a Juris Doctor from Hofstra University, where she was an editor for the Journal of International Business and Law and President of the Dispute Resolution Society. Danielle also received a Bachelor of Science, magna cum laude, from Fairfield University, where she was involved in various academic societies and served as President of the Model United Nations.

With a strong track record in consumer protection, data privacy, and securities litigation, Danielle Mazzeo continues to make significant contributions to the legal profession through her work at Labaton Keller Sucharow LLP in New York.