Joint Staff of the Islamic Republic of Iran Army

Joint Staff of the Islamic Republic of Iran Army, acronymed SEMAJA , is the chief of staff of Iran's regular military, Islamic Republic of Iran Army (Artesh) with an aim to coordinate its four military branches. The Joint Staff has Central Provost and University of Command and Staff under control.

Structure reform
From 1921 to 1998, "Chairman of Chief of Staff" was the highest-ranking position within the Artesh, however after the newly established office "Commander-in-Chief of Artesh"  position was founded in 1998, the former position was deposed as a decision-making position and became the coordinator deputy of the Chief Commander. The position is currently held by Commodore Habibollah Sayyari, who is second-in-command and deputy of Major General Ataollah Salehi.