Issam Jad'aan Zahreddine (Arabic: عِصَام جَدْعَان زَهْر الدِّين, romanized: ʿIṣām Jadʿān Zahr ad-Dīn, 9 September 1961 – 18 October 2017; also transliterated as Zaher Eldin or Zaher al-Deen) was a Syrian military officer and former commander of the Syrian Republican Guard.[3][7][8] He played a major role in the Syrian Civil War, leading Syrian government forces on several fronts.[9] His most prominent role was the leadership of the surrounded Syrian forces during the over three-year long siege of Deir ez-Zor. On 18 October 2017, Zahreddine was killed by a land mine explosion during operations against the Islamic State of Iraq and the Levant on Saqr island in Deir ez-Zor.[10]