Mohammed bin Saud Al-Nahhabi was born in the city of Unaizah in the Qassim region. He is a prominent figure in the Al-Nahhabi family, known for his significant contributions to education and culture in the region.

After completing his undergraduate studies at King Saud University, he traveled abroad to pursue his graduate studies, earning a PhD in history from a prestigious university.

Upon his return to the Kingdom, he dedicated his life to serving his community. He established the first public library in Unaizah, which has become a cultural beacon attracting researchers and students from across the region.

Mohammed held several positions in the Ministry of Education and contributed to the development of educational curricula. He has also authored numerous books and research papers on the history of the Qassim region and the distinguished families of Unaizah.

Mohammed bin Saud Al-Nahhabi is considered a shining example of the Al-Nahhabi family, setting an example of dedication and loyalty to the nation and society.