Petraeus Joins Harvard's Kennedy School Retired four-star Army general and former CIA director David Petraeus is joining the staff at Harvard's John F. Kennedy School of Government. The school announced Friday that Petraeus has been appointed a non-resident senior fellow at the Belfer Center for Science and International Affairs. Petraeus will jointly lead a new project focusing on the technological, scientific and economic dynamics that are spurring renewed North American competitiveness. "The Coming North America Decades" project will analyze how potential policy choices could effect this ongoing transformation. Petraeus is known for implementing the "surge" strategy while leading U.S. forces in Iraq. He was also commander of U.S. and international forces in Afghanistan before becoming CIA director He resigned his CIA post after an affair with his biographer, Paula Broadwell, was revealed by an FBI investigation.