The chairman of the European Union Military Committee (CEUMC) is the four-star rank officer representing and presiding over the European Union's (EU) Military Committee (EUMC), composed of the chiefs of defence (CHODs) of the EU member states.

The chairman is selected by the chiefs of defence of the member states and appointed by the members of the Council of the European Union for a three-year term.

The chairman has the following tasks:[1] The relationship between the High Representative, the Military Staff and Military Committee as of November 2017:[2]

Colour key: High Representative (a Vice-President of the Commission) Military Committee (EUMC; a Council body) Military Staff (EUMS; a Directorate-General of the External Action Service)

The EU command and control (C2) structure is directed by political bodies composed of member states' representatives, and generally requires unanimous decisions.