Cassie Marlantes Rahm

Deputy Litigation Director

Cassie Marlantes Rahm has worked on cases in federal and state court involving stormwater pollution, pesticide regulation, the definition of "waters of the United States" under the Clean Water Act, and other critical issues. She has advocated on behalf of NRDC at every level of the federal court system, including in two cases that reached the Supreme Court of the United States. Prior to joining NRDC, Rahm was a litigation associate at WilmerHale and clerked for Judge Pierre N. Leval on the U.S. Court of Appeals for the Second Circuit. She holds a bachelor's degree and J.D. from Harvard University, where she served on the Harvard Law Review. She is based in NRDC's New York City office, where she manages the New York branch of the Litigation Team.

State Bar Admissions

New York

Court Admissions

U.S. District Court for the Southern District of New York
U.S. Court of Appeals for the Sixth Circuit
U.S. Court of Appeals for the Ninth Circuit
U.S. Court of Appeals for the D.C. Circuit
Supreme Court of the United States


This website provides general information, not legal advice. If you need legal help, please consult a lawyer in your state. Cassie Marlantes Rahm does not hold herself out as a specialist in a particular area of law or law practice.