He returned to Iran after receiving a doctorate degree in psychology from Heidelberg University, Germany, and started teaching psychology at this newly established university at the invitation of Dr. Ali Sheikhul Islam, the founder of the National University of Homeland (now Shahid Beheshti University). In this way, she became the first female professor at the National University of Homeland. At the invitation of Ashraf Pahlavi, Simin Rejali was appointed as the Secretary General of the Persian Women’s Organization in 1348, and there he tried to set up the first family welfare centers in all of Homeland based on the model that the United Nations encouraged.