The Chief of Staff of the United States Army (CSA) is the professional head of the United States Army who is responsible for insuring readiness of the Army. As with the other other service Chiefs of Staff, he has no operational command authority. He is a member of the Joint Chiefs of Staff and is the chief military adviser to the President of the United States on Army matters. The Chief of Staff is a four star general. The current occupant of the office is General Peter Schoomaker.

Prior to 1903, the military head of the Army was the Commanding General of the United States Army.

Chiefs of Staff of the United States Army, 1903-present

• General Samuel Young 1903-1904
• General Adna Chaffee 1904-1906
• General John Bates 1906
• General James Bell 1906-1910
• General Leonard Wood 1910-1914
• General William Wotherspoon 1914
• General Hugh Scott 1914-1917
• General Tasker Bliss 1917-1918
• General Peyton March 1918-1921
• General of the Armies John J. Pershing 1921-1924
• General John L. Hines 1924-1926
• General Charles Summerall 1926-1930
• General of the Army Douglas MacArthur 1930-1935
• General Malin Craig 1935-1939
• General of the Army George Marshall 1939-1945
• General of the Army Dwight Eisenhower 1945-1948
• General of the Army Omar Bradley 1948-1949
• General J. Lawton Collins 1949-1953
• General Matthew Ridgway 1953-1955
• General Maxwell D. Taylor 1955-1959
• General Lyman Lemnitzer 1959-1960
• General George Decker 1960-1962
• General Earle G. Wheeler 1962-1964
• General Harold Keith Johnson 1964-1968
• General William Westmoreland 1968-1972
• General Bruce Palmer (acting) 1972
• General Creighton Abrams 1972-1974
• General Frederick Weyand 1974-1976
• General Bernard Rogers 1976-1979
• General Edward Meyer 1979-1983
• General John Wickham 1983-1987
• General Carl Vuono 1987-1991
• General Gordon Sullivan 1991-1995
• General Dennis Reimer 1995-1999
• General Eric Shinseki 1999-2003
• General Peter Schoomaker 2003-present

See also

• United States Secretary of the Army