Kotosaka, Masahiro

Masahiro Kotosaka is Professor at Keio University and an Associate Fellow of Saïd Business School, University of Oxford. He is an expert in Internationalization strategy and early-stage business development, and advisor to several global start-up/multinational companies. Before moving to Keio, he was an associate professor of multinational management at Ritsumeikan University, a teaching & research associate at the University of Oxford, and a consultant at McKinsey & Company based in Frankfurt and Tokyo. As a practitioner, he worked for strategy/marketing projects with sixteen client organizations across nine industries and nine countries and spent four years running three profitable IT/Retail businesses before joining McKinsey. He graduated from the University of Oxford with D.Phil. (Ph.D) in Management Studies and MSc in Management Research with Distinction. His current research focuses on: 1) how does the high-growth startup firm formulate and execute the strategic actions; and 2) how does the institutional filed influence the way in which entrepreneurs incubate the business. His recent publication includes The Evolution of Strategic Management (Toyo Keizai, 2026), STARTUP (Co-authored, NewsPicks Publishing, 2020), and The Japanese Business in Evolution (Co-authored, Routledge, 2017). He is a keen yacht sailor and holds RYA/MCA Yachtmaster (Coastal). In spare time, He travels and visited nearly 100 countries so far.

• Entrepreneurial Management
• /Strategy
• /International Management

Business administration