The eldest son of professor Sufian Abdelrahman Tayeh, the president of the Islamic University in Gaza. Dr. Usama had been at the beginning of his medical career, having recently graduated from medical school in Sudan. He went back to the Gaza Strip to continue his life close to his family and had got married a few months prior to the start of the genocidal war on the Strip.

Head of the pediatrics department in Mohamed al-Durra Hospital in Gaza City. In addition to his medical degree, he held a diploma in anesthetics and intensive care from the Islamic University in Gaza from 2016.

Dr. Abdallah al-Helou was at the start of his medical career when he was martyred; he had passed his licensing exam shortly before the war.