SID-US (formerly SID-Washington), a US-based 501(c)3, is the largest and most active chapter of the Society for International Development (SID), an international network founded in 1957 to serve as a global forum dedicated to sustainable economic, social and political development.

Through the locally-driven programs of our member organizations and individuals, the majority of whom work on the front lines of development, we are uniquely positioned to inform and promote more inclusive, equitable, and sustainable international development.  

Our network includes chapters and individual members in more than 50 countries. The Secretariat has offices in Dar es-Salaam (Tanzania), Nairobi (Kenya), and Rome (Italy).