Abu Ubaidah ibn al-Jarrah
Yazid was one of four Muslim generals who were sent by Caliph Abu Bakr to invade Roman Syria in 634 AD. He became governor of Damascus after the Conquest of Damascus in 634 AD. He commanded the Muslim army's left wing at the Battle of Yarmouk. After the death of Abu Ubaidah ibn al-Jarrah in 639 AD from plague, Mu'adh ibn Jabal was made governor of Syria and after his death, also from the plague, Yazid was made governor by Caliph Umar, but he too died in a plague in 640 AD.