Clinton Ohis Aigbavboa is a Professor in the Department of Construction Management and Quantity Surveying, and Director of CIDB Centre of Excellence & Sustainable Human Settlement and Construction Research Centre, University of Johannesburg, South Africa. Currently, he is the Chair of DSI/ NRF Research Chair in Sustainable Construction Management and Leadership in the Built Environment at, the University of Johannesburg, South Africa.

John Edward Cobbina is a Lecturer at the Department of Building Technology, Koforidua Technical University (KTU), Koforidua, Ghana, and a post-doctoral research fellow with the Department of Construction Management and Quantity Surveying, University of Johannesburg, South Africa.

Simon Ofori Ametepey is a Senior Lecturer at the Department of Building Technology, Koforidua Technical University (KTU), Koforidua, Ghana, and a post-doctoral research fellow with the Department of Construction Management and Quantity Surveying, University of Johannesburg, South Africa.

Wellington Didibhuku Thwala is a Distinguished Professor and currently the Executive Dean of the Faculty of Engineering, Built Environment and Information at the Walter Sisulu University East London, South Africa.