Zelly Rosa

  • Associate
  • New York
she / they
  • zrosa@hausfeld.com
  • +1 646 518 9131
zelly-rosa.jpg

OVERVIEW

Zelly is an Associate in Hausfeld’s New York office. Zelly was previously a Summer Associate at Hausfeld, where she assisted on antitrust, data privacy, and consumer protection matters. Before joining Hausfeld, Zelly served as an Extern at the Labor Bureau of the New York State Office of the Attorney General, where she investigated employment law violations and assisted in litigation, and worked as a Legal Intern at DC 37 AFSCME Municipal Employees Legal Services, focusing on bankruptcy and consumer debt issues affecting union members. During law school, Zelly also served as a Managing Editor on the Columbia Law Review and as a Student Attorney at Columbia’s Science, Health, and Information Clinic (SHIC). During her time at SHIC, she assisted Type 1 diabetes nonprofit T1International in their efforts to reduce the monopoly power of large pharmaceutical companies by advocating for public manufacturing, distribution, and pricing of prescription drugs like insulin.

Before law school, Zelly worked as a Legal Assistant in personal injury litigation. She also gained valuable experience as an Extern at the Federal Public Defender’s office for the Western District of Washington, supporting attorneys in federal criminal cases. With a strong foundation in legal research and advocacy, Zelly is committed to championing worker and consumer rights, holding powerful corporations accountable, and navigating complex legal challenges.

Working towards a diverse, equitable, and inclusive world is paramount to Zelly, who is an active member of our LGBTQ+ Alliance and Disability working groups.

EDUCATION

Columbia Law School, J.D., Harlan Fiske Stone Scholar, 2024 

University of Washington, B.A., cum laude, Law, Societies, & Justice, 2020

BAR ADMISSIONS

New Jersey

AFFILIATIONS

American Bar Association, Member (2024)

National Lawyers Guild, Member (2022 - present) 

Experience

Antitrust/Competition

  • In re Rail Freight Fuel Surcharge Antitrust Litigation – Serving as counsel to dozens of rail-freight shippers in a high-profile antitrust case concerning alleged fuel-surcharge collusion among the nation’s largest rail-freight carriers.
  • Greystone Mortgage Inc. and First Financial Lending LLC v. Equifax Workforce Solutions LLC and Equifax Inc. – Hausfeld represents lenders in an antitrust class action alleging Equifax monopolized the market for electronic verification of income and employment services, causing lenders, such as mortgage brokers and car dealerships, to overpay when initiating loans for consumers.
  • Osterhaus Pharmacy Inc. et al. v. Express Scripts Inc. et al. - Hausfeld represents pharmacy service providers in a class action alleging that Express Scripts conspired with rival Pharmacy Benefit Managers (PBMs) by entering into contracts to fix reimbursement rates and fees, in violation of the Sherman Act. 

Technology & Data Breach

  • Juan Anaya et al. v. Cencora, Inc., et al. – representing a class of a class of plaintiffs whose private information was stolen from Cencora during a data breach.