Stanley McChrystal retired in July 2010 as a four-star general in the US Army. His last assignment was as the commander of the International Security Assistance Force and as the commander of the US forces in Afghanistan. He had previously served as the director of the Joint Staff and as the commander of the Joint Special Operations Command. The author of My Share of the Task, Team of Teams, and Leaders, he is currently a senior fellow at Yale University's Jackson Institute for Global Affairs and the cofounder of the McChrystal Group, a leadership consulting firm.