“…Discussion and conclusion Grounded on the upper echelon theory, this research examines the impact of project managers attributes, namely, age, education and experience in project performance with a mediating role of project sustainability management. The theory has been widely tested by previous studies with regard to organizational performance (Ying et al, 2019;Liu et al, 2018;Ahmadi et al, 2018), innovation (Shah et al, 2021) and internationalization (Anwar et al, 2018). Studies have also attempted the theory on the relationship between managerial attributes and CSR (Al-Mamun and Seamer, 2021;Cho et al, 2019;Patel et al, 2017).…”