Admiral James Stavridis, USN (Ret.), spent more than thirty years in the US Navy, rising to the rank of four-star admiral. He was Supreme Allied Commander at NATO and previously commanded US Southern Command, overseeing military operations through Latin America. At sea, he commanded a Navy destroyer, a destroyer squadron, and an aircraft carrier battle group in combat. He holds a PhD from the Fletcher School of Law and Diplomacy at Tufts University, where he recently served five years as dean. He received fifty medals in the course of his military career, including twenty-eight from foreign nations. He has published fifteen other books and is the senior military analyst for CNN and a Bloomberg Opinion weekly columnist. He is currently partner and vice chair, global affairs, of the Carlyle Group and the chair of the board of the Rockefeller Foundation.