Stanley McChrystal's last assignment was commanding all U.S. and international forces in Afghanistan. Previously, he was the director of the Joint Staff and the commander of the Joint Special Operations Command. The author of My Share of the Task, he is currently a senior fellow at Yale's Jackson Institute for Global Affairs and cofounder of the McChrystal Group, a leadership consulting firm where Tantum Collins, David Silverman and Chris Fussell are his colleagues.