What was the Seljuk Turk's leader called?

The leader of the Seljuk Turks was known as the Sultan. The title was adopted by the Seljuk rulers to denote their sovereignty and authority over their territories, particularly during the height of their power in the 11th and 12th centuries. Notable Sultans included Tughril Beg, who founded the Seljuk Empire, and Malik Shah, who expanded it significantly.