Staff officer in the context of "Commanding officer"

Maxime Weygand (French pronunciation: [vɛɡɑ̃]; 21 January 1867 – 28 January 1965) was a French military commander in World War I and World War II, as well as a high ranking member of the Vichy regime.

Born in Belgium, Weygand was raised in France and educated at the Saint-Cyr military academy in Paris. After graduating in 1887, he went on to become an instructor at the Saumur Cavalry School. During World War I, Weygand served as a staff officer to General (later Marshal) Ferdinand Foch. He then served as an advisor to Poland in the Polish–Soviet War and later High Commissioner of the Levant. In 1931, Weygand was appointed Chief of Staff of the French Army, a position he served until his retirement in 1935 at the age of 68.

Karl Rudolf Gerd von Rundstedt (12 December 1875 – 24 February 1953) was a German Generalfeldmarschall (Field Marshal) in the Heer (Army) of Nazi Germany and Oberbefehlshaber West (Commander-in-Chief in the West) during World War II. At the end of the war, aged 69, with over 52 years of service, he was the Army's most senior officer.

Born into a Prussian family with a long military tradition, Rundstedt entered the Prussian Army in 1892. During World War I, he served mainly as a staff officer. In the interwar period, he continued his military career, reaching the rank of Generaloberst (Colonel General) before retiring in 1938. He was recalled at the beginning of World War II as commander of Army Group South in the invasion of Poland. He commanded Army Group A during the Battle of France, and requested the Halt Order during the Battle of Dunkirk. He was promoted to the rank of Field Marshal in 1940. In the invasion of the Soviet Union, he commanded Army Group South, responsible for the largest encirclement in history, the Battle of Kiev. He was relieved of command in December 1941 after authorizing the withdrawal from Rostov but was recalled in 1942 and appointed Commander-in-Chief in the West.

A quartermaster general is the staff officer in charge of supplies for a whole army and is in charge of quartermaster units and personnel, i.e. those tasked with providing supplies for military forces and units.

Carl Adolf Maximilian Hoffmann (25 January 1869 – 8 July 1927) was a German military officer and strategist. As a staff officer at the beginning of World War I, he was Deputy Chief of Staff of the 8th Army, soon promoted Chief of Staff. Hoffmann, along with Erich Ludendorff, masterminded the devastating defeat of the Russian armies at Tannenberg and the Masurian Lakes. He then held the position of Chief of Staff of the Eastern Front. At the end of 1917, he negotiated with Russia to sign the Treaty of Brest-Litovsk.