Professor Chang is a Professor of Finance, Director of the Centre for Sustainable Finance and Innovation (CSFI), and the Associate Dean (Research) overseeing PhD programs and research activities at Nanyang Business School. From 2015 to 2017, He was a tenured University Reader in Financial Economics at Cambridge Judge Business School of the University of Cambridge, J M Keynes Fellow in Financial Economics, a Fellow of Darwin College, and a Research Fellow of Cambridge Endowment for Research in Finance. From 2004 to 2008, he was a Lecturer and then tenured Senior Lecturer in Finance at the University of Melbourne in Australia. He specializes in corporate finance, especially sustainable finance, capital structure, mergers and acquisitions, and stock valuation. He taught various courses to undergraduate, honors, master, and PhD students at HKUST, the University of Melbourne, the University of Cambridge, and NTU.