The UP Institute of Islamic Studies was created on November 22, 1973, by Presidential Decree 342 as an integral part of the Philippine Center for Advanced Studies (PCAS).  With the abolition of the Center by Executive Order No. 543 issued by the President of the Philippines, the Institute was re-established as a separate unit of the University and appointed its first Dean in 1974. Below is a listing of the present and past deans who lead and have led the Institute.