Previously, he was Professor of Responsibility & Sustainability in the School of Management, Massey Business School, Massey University, New Zealand. He is the Editor-in- Chief of Corporate Governance – An International Journal of Business in Society. Gabriel worked as a Research Fellow at the United Nations University, Institute of Advanced Studies (UNU/IAS), Tokyo, Japan, and taught for several years at Royal Holloway University of London, England. He also worked as a Research Fellow with International Institute for Environment and Development (IIED) in London.