Mari Sako


Mari Sako is Professor of Management Studies at Saïd Business School, and a Fellow of New College, University of Oxford. Her areas of expertise include global strategy, outsourcing and offshoring, and professional services. Her current research includes the globalization of legal services markets, and the impact of AI on legal business models

She is member of the advisory board of Thomson Reuters Legal Executive Institute, and conducted studies of Alternative Legal Services Providers in 2016 and 2018. She teaches Global Strategy for the Executive MBA and directs the Oxford Diploma in Global Business (


Professor Sako read Philosophy, Politics and Economics (PPE) at Oxford, and holds an MSc and a PhD in Economics. She taught at the London School of Economics, and held visiting positions in France, the US and Japan. Mari made a significant contribution to the understanding of Japanese firms and the auto industry through the MIT International Motor Vehicle Program (IMVP). Insights from the fieldwork to understand lean production and quality control are also informing her more recent research on what professionals such as lawyers do.