His work, which explores history, the narratives and aesthetics of Islamic culture, and addresses consumerism and transformation taking place in the region and its effects on geopolitics, has attracted an international audience.

[7] In 2006, Mater mounted an installation titled The Yellow Cow products,[8] a work that address ecological challenges of modern urbanized society.

"[8] His Desert of Pharan[9] series features photographs and films gathered over five-years, documenting the changes taking place in Islam's holiest city.

Mater considers the unprecedented redevelopment of the Masjid Al-Haram, including a multibillion-dollar complex of luxury hotels, malls and apartments.

[4] 2001 Landing on the Earth's Surface, Al-Maseef Culture Club, Abha, KSA 2003 X-Ray Project – 6th Saudi Malwan Contest Tour, Jeddah, Beirut, Sidon and Manama (Jun10 – Sept 25) 2004 Standing in Front of You, King Khaled University, Abha, KSA.