Abdul Rahman Ibn Abdul Aziz as-Sudais (عبد الرحمن السديس) was born in the city of Qassim, Saudi Arabia in 1962(1382 A.H) he's originally from the Anza clan. He had memorized the Quran by the age of 12 growing up in Riyadh.

Al-Sudais studied at the Al Muthana Bin Harith Elementary School, and afterward the Riyadh Scientific Institution from which he graduated in 1979 with a grade of excellent. He obtained a degree in Sharia from Riyadh University in 1983 and became an IFK (Islamic Fundamental Knowledge) lecturer after the conclusion of his study. He obtained his Master's in Islamic fundamentals from the Sharia College of Imam Muhammad bin Saud Islamic University in 1987 and received his PhD in Islamic Sharia from Umm al-Qura University in 1995 while working there as an assistant professor after serving at Riyadh University.

He is respected for his precise, controlled, and particularly emotional recitation of the Qur'an in accordance with Tajweed, the rules of beautiful recitation. He was particularly called upon in the Ramadan Taraweeh prayers of 2006 (1427 AH) to recite the last few surahs of the Qur'an as well as to make the closing Dua followed by the millions of Muslims in Mecca as well as around the World by means of TV or radio.

In 2005, he received the prize of the Islamic Personality Of the year in the 9th annual Dubai International Holy Quran Award. He is the leading Imam at Masjidil Haram, Makkah.