The EastWest Institute (EWI), originally known as the Institute for East-West Security Studies, is an international not-for-profit, non-partisan "think and do" tank focusing on international conflict resolution through a variety of means, including track 2 diplomacy and track 1.5 diplomacy (conducted with the direct involvement of official actors), hosting international conferences, and authoring publications on international security issues. The organization employs networks in political, military, and business establishments in the United States, Europe, and the Soviet Union.