He is married with children. He attended Ahmadu Bello University, Zaria, where he obtained his bachelors and Masters Degrees. He is a member of Nigerian Association of Architects.
He worked briefly with NTCN Interiors, Surulere as a project coordinator before doing a four year stint with the Lagos State Ministry of Works & Housing. Since 1994 to Date he has been pre-occupied with Home Mechanics Ltd., Ikeja, Lagos, where he is saddled with project implementation.
Architect Olanrewaju has an illustrious career that span over 25 in the construction industry and as project managed various project. Notable among his recent works is the 501 housing units meant for Nigerian Police Housing. He joined the Fortis Team in 2014.