General George William Casey, Jr., USA (born July 22, 1948) is the 36th and current Chief of Staff of the United States Army. General Casey previously served as Commanding General, Multi-National Force - Iraq from June 2004 to February 8, 2007. He assumed his current assignment on April 10, 2007.

George Casey was born in Sendai during the Allied occupation of Japan. His father, George William Casey, was a West Point graduate who rose to the rank of Major General and served in two wars (the Korean War, and the Vietnam War). His father commanded the 1st Cavalry Division in Vietnam and was killed on July 7, 1970 when his command helicopter crashed in South Vietnam enroute to a hospital to visit wounded U.S. soldiers.

Casey grew up south of Boston, Massachusetts and attended Boston College High School in Dorchester. After high school, he earned his Bachelor of Science in International Relations from Georgetown University's Edmund A. Walsh School of Foreign Service and received a Master of Arts from the Josef Korbel School of International Studies at the University of Denver.