Amir Vali (also spelled Wali) was the ruler of Astarabad and parts of Mazandaran from 1356 until 1366, and again from c. 1374 until 1384. His relatively long reign was dominated by conflict with the Sarbadars and the Jalayirids, and ended only upon the arrival of Timur into eastern Persia.
Read more about Amir Vali: Rise To Power, Loss and Recovery of Astarabad, Conflict With Timur