International Institute for Strategic Studies
Think TanksEngland, United Kingdom201-500 Employees
The International Institute for Strategic Studies, based in London, is a think tank focused on global security issues. Its experts provide accurate and objective analysis of major security challenges, including terrorism, shifting East–West relations, cyber warfare, and nuclear non-proliferation. For more than five decades, it has supplied timely facts and insights to policymakers, diplomats, analysts, business leaders, academics, journalists, and the public. The organization shares its knowledge through publications, research projects, and events conducted worldwide. It hosts conferences where defense and foreign ministers, security experts, and others discuss and shape international security policy, functioning as a forum within the think-tank landscape. In May 2026, the institute announced that Dr José Ramos-Horta, president of Timor-Leste, would deliver a Special Address at the Shangri-La Dialogue in Singapore.