Our Riyadh, Saudi Arabia, office is overseen by our Abu Dhabi Regional Headquarters. We are engaged across the region, offering full-scale architecture and engineering services. LEO A DALY has a long and rich history in the region going back to 1972, giving us a profound appreciation and understanding of local cultures, needs and client expectations. As one of the first American architecture firms to serve the Middle East, LEO A DALY’s signature can be seen in significant projects across the region, including the headquarters of the Saudi Arabian National Guard in Riyadh, the Diplomatic Quarters in Riyadh and the newly designed Zayed Military Hospital in Abu Dhabi.


M. Mahdi Mansour, PE
VP, Regional Director Middle East & North Africa


Arouba Plaza Complex – Olaya
P.O. Box 18817
Riyadh, 11425 Kingdom of Saudi Arabia
P +966.1.460.8981
F +966.1.419.8171

Riyadh Leadership

M. Mohamed Mansour

M. Mohamed Mansour, PE

Vice President

Regional Director
Middle East & North Africa


A civil engineer by profession, Mr. Mansour has more than 27 years of experience in both the private and public sectors in the United States and abroad. He joins LEO A DALY from the Abu Dhabi Urban Planning Council, where he was the construction and projects manager responsible for directing several large-scale projects, including the master planning, design, construction and delivery of more than 14,000 Emirati homes and related infrastructure and community facilities. Previously, he served as a senior transportation engineer for the Ministry of Municipality and Urban Planning in Doha, Qatar. 

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