Esti Tambay

Esti Tambay (LinkedIn – X) is currently a Senior Legal Counsel at the Open Society Justice Initiative (OSJI), focusing on strategic litigation concerning international criminal justice. She was previously a Senior Counsel in the International Justice Program at Human Rights Watch, focusing on accountability in several African countries and the U.S. policy toward the International Criminal Court (ICC). For almost a decade at Cleary Gottlieb Steen & Hamilton, she specialized in international arbitration and complex cross-border litigation. She previously worked at the Coalition for the ICC, conducted research for the International Center for Transitional Justice in the Democratic Republic of Congo, and worked on several U.S. litigations seeking corporate accountability pursuant to the Alien Tort Statute. She has also advised the United Nations’ Office of Legal Affairs on legal claims raised against the UN.