Abdullah M. Asiri: Received his PhD from University of Wales, College of Cardiff, UK in 1995. He has served as the head of the Chemistry Department at King Abdulaziz University from October 2009 until April 2024. He is the founder and director of the Center of Excellence for Advanced Materials Research from may 2010 until December 2023. . He is a professor of organic photochemistry. His research interest covers color chemistry; synthesis of novel photochromic, thermochromic systems; synthesis of novel materials for energy applications. materials as catalysis for water purification.