 The following year he returned to Egypt where he was appointed as the Chair of Arabic Syntax and morphology department and also as the Vice Dean of "Dar Al-Ulom" College.In 1967 Hassan became a professor at the University of Khartoum for three years, where he established the department of Linguistic Studies.In 1972 he became the Dean of "Dar Al-Ulom" College where he was the general secretary of the Arabic language committee which is part of the highest council for the Egyptian universities.