Society for International Development, United States (SID-US) | 27,525 followers on LinkedIn. We are your global town square for international development. | The Society for International Development, United States of America Chapter (SID United States or SID-US) is a leading global development membership organization that provides a space for dialogue and bridges a dynamic community of individuals and institutions working in international development. Connecting a diverse global forum of international development practitioners, SID-US serves as a knowledge broker for ideas and best practices. The Society for International Development (SID), founded in Washington, DC in 1957, is a global forum of individuals and institutions concerned with sustainable economic, social and political development.