Sada Cumber is a Pakistani–American entrepreneur, philanthropist, and diplomat. He is an expert on US foreign policy and national security issues. In 2008, President George W. Bush named him the first U.S. special Envoy to the Organisation of the Islamic Conference, which promotes Muslim solidarity in social and political affairs. In that capacity, Cumber advanced United States interests among the OIC's 57 members nations, including promoting mutual understanding and dialogue while combating intolerance, extremism and the conditions which create it.