Fidelis Emuze is Associate Professor and Head of the Department of Built Environment, and Head of the Unit for Lean Construction and Sustainability at the Central University of Technology, Free State, South Africa. Lean construction, health, safety, and well-being and sustainability constitutes the primary research interest of Dr Emuze, who is a member of the Association of Researchers in Construction Management and the Lean Construction Institute. Dr Emuze is the Coordinator of CIB TG59 - People in Construction task group.

John Smallwood is Professor of Construction Management at the Nelson Mandela Metropolitan University, Port Elizabeth, South Africa. Both his MSc and his Ph.D. (Construction Management) addressed health and safety (H&S). He is a National Research Foundation rated researcher specialising in construction related issues such as H&S, ergonomics, and health and wellbeing. Dr Smallwood is the immediate past Coordinator of CIB TG59 - People in Construction task group.