James A. Winnefeld, Jr., American admiral

James A. Winnefeld Jr.

American defense official (born 1956)

James Alexander "Sandy" Winnefeld Jr. is a retired United States Navy admiral who served as the chair of the President's Intelligence Advisory Board. While on active duty, Winnefeld served as the ninth vice chairman of the Joint Chiefs of Staff from August 4, 2011, to July 31,…