Marissa Vahlsing

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Marissa Vahlsing

Supervising Attorney

Region: United States and Global

Since joining ERI in 2011, Marissa has focused on legal strategies to defend the human and environmental rights of communities in cases against corporate and government actors. Marissa helped launch ERI’s new Amazon Office in Lima, Peru and has assisted ERI in developing its Amazon legal program in support of indigenous communities affected by resource extraction and mega-projects. Marissa serves or has served as counsel on cases before U.S. federal courts including Doe v. Chiquita BrandsCampos-Alvarez v. Newmont MiningMinis v. Thomson Safaris, andMaynas v. Occidental. She has also worked in defense of the First Amendment rights of environmental activists against abusive discovery from Chevron in various discovery actions. Marissa also serves as counsel on two cases before the Inter-American Commission on Human Rights, including P-211-12: 64 Comunidades de los Pueblos Indígenas Mojeño, Yuracaré y Tsimane – TIPNIS v. Bolivia and Caso 11.754 Pueblo U´wa vs. Colombia. She has also drafted various amicus briefs for both U.S. appellate courts and before the Inter-American Court. Marissa is a 2011 graduate of Harvard Law School, where she was awarded a Sheldon Fellowship and subsequently a Global Human Rights fellowship to support her work with ERI before she became a staff attorney in 2013. Now, in her role as Legal Coordinator, Marissa also supervises ERI’s Bertha legal fellows in ERI’s Washington, D.C. office. Marissa holds a B.A. in Political Science from Swarthmore College (2006). She was also a 2005 recipient a Harry S. Truman scholarship to pursue a career in public service. She is currently admitted to practice law in New York, New Jersey and the District of Columbia.