Ayodeji E. Oke is an author and a lecturer with several years of teaching and research involvement in higher institutions of learning across the world. He founded the Research Group on Sustainable Infrastructure Management plus (RG-SIM+) and he is currently the leader of the team. He is currently a member of the Department of Quantity Surveying, Federal University of Technology Akure, Nigeria.Seyi S. Stephen is a Construction Manager and a graduate of Federal University of Technology, Akure, Nigeria. He is a Social Psychology, a Behavioural Sciences enthusiast and a member of the Research Group on Sustainable Infrastructure Management plus (RG-SIM+). Stephens is currently a research coordinator, and his areas of specialization are academic consultancy, psychological education and teaching.