John Luiz is a Professor of International Management and Strategy at the University of Sussex Business School in the UK, and at the Graduate School of Business at the University of Cape Town, specialising in International Business Strategy; Business, Society, and Government; Institutions and Emerging Markets. He was a Visiting Scholar at the University of California Los Angeles (UCLA), at Nova School of Business and Economics in Lisbon, at the Università degli Studi di Macerata, Italy, a Senior Global Fellow at the School of Public Policy and Institute for Advanced Study at the Central European University in Budapest, Hungary and the Global Public Policy Institute in Berlin, Germany, a Visiting Professor at Pontificia Universidad Católica de Chile in Santiago, and a Research Affiliate at Columbia University. He is a member of various professional bodies and was President of the Economic Society of South Africa 2014-2016. He was appointed by the South African Cabinet to the national South African Statistics Council and served from 2013-2018. He is on the Editorial Board of several journals and a referee for over a dozen more.

Besides winning various teaching awards, John has published in excess of 150 publications including around 100 articles in leading journals such as: the Journal of International Business Studies; Journal of Management Studies, Journal of World Business; Journal of Business Ethics; Global Strategy Journal; Organization; Governance; The International Journal of Human Resource Management; California Management Review; Journal of International Business Policy; International Business Review; World Development; Oxford Economic Papers; Journal of Development Studies; International Review of Law and Economics; and the Cambridge Journal of Economics.

John works as a consultant and has undertaken work for the United Nations, African Development Bank, UK Department for International Development, Development Bank of Southern Africa, the Industrial Development Corporation, the Department of Trade and Industry, the United States Agency for International Development, and the Johannesburg Development Agency, amongst others. He is active in management training and executive education and consulting at several leading multinational corporations, public entities, and NGOs.