After completing this 5-year course, he decided to expand his education in the field of vascular. Therefore, first, he spent one year at the University of Saclay in Paris under the supervision of great professors, including Professor Jacques Moret, who are one of the founders of International Brain Surgery, and Professor Laurent Spall, who completed the neurointerventional subspecialty course, and then the subspecialty course for another year. He underwent open cerebrovascular and skull base surgery at the University of Helsinki, Finland, under the supervision of Prof. Hernes Nimi and Prof Nimela

Then he returned to Iran and became a member of the faculty of Tehran University of Medical Sciences for two years and is currently a member of the faculty of Iran University of Medical Sciences