Masahiro Kotosaka

Masahiro Kotosaka

Associate Professor
Faculty of Policy Management
Graduate School of Media and Governance
DegreesD.Phil in Management Studies
Other Positions Currently HeldNon-executive Director of Euglena, Raksul, Uzabase, Gojo & Company and Appirits
Short BiographyMasahiro Kotosaka is an Associate Professor at Keio University. He is an expert in Internationalization strategy and early stage strategy development, and an advisor to several global or start-up companies. Before moving to Keio, he was an associate professor of multinational management at Ritsumeikan University, a teaching & research associate at 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 University of Oxford with D.Phil. (Ph.D) in in Management Studies and MSc in Management Research with Distinction.
Areas of ExpertiseInternational Business, Strategy, Entrepreneurship
Courses TaughtINTERNATIONAL ENTERPRISES,MULTINATIONAL MANAGEMENT,MASTER SEMINAR,SEMINAR(Management Studies: searching for the future best practice through research and practice),SEMINAR(Management studies as a field of social science),ACADEMIC PROJECT (Platform and Innovation)
Affiliations・Academy of Management
・Academy of International Business
・Society for the Advancement of Socio-Economics
・Strategic Management Society
Selected Publications(Working Papers presented)
1) Why Not Internationalization? A Longitudinal Study of IT StartUps in China, South Korea and Japan:
2) Field Transformations: Cross-Field and Intra-Field Institutional Work in Entrepreneurial Ecosystems:
3) Managing the Co-Habitation Process During Intra-Family Succession:

・Kotosaka, M. 2018. The Essence of Strategic Management (in Japanese). Tokyo: Toyokeizai Shinpo sha.
・Kotosaka, M. 2014. The Discipline of Crossing Borders: A Genealogy of Global Management Fundamentals (in Japanese). Tokyo: Diamond, Inc.

(Book chapters/Translations)
・Kotosaka, M. & Sako, M. 2017. The Evolution of the ICT Start-up Eco-system in Japan: From Corporate Logic to Venture Logic?. In: NAKANO, T. (ed.) Japanese Management in Evolution New Directions, Breaks, and Emerging Practices. Abingdon, UK: Routledge.
・M. Hisahara, H. Yokoyama, et al. 2014. Strategic Management: Competitiveness and Globalisation (Japanese edition), Tokyo: Cengage Learning. (Translation, p.p. 338-387)
・Sako, M. and Kotosaka, M., 2012. M. Institutional Change and Organizational Diversity in Japan. In C. Lane and G.W. Routledge (eds.) Capitalist Diversity and Diversity within Capitalism. London: Routledge.
・Sako, M. and Kotosaka, M., 2012. M. Continuity and Change in the Japanese Economy: Evidence of Institutional Interactions in Financial and Labor Markets. In A. Walter and X. Zhang (eds.) East Asian Capitalism: Diversity, Continuity, and Change. Oxford: Oxford University Press.
・Yokohama, S., Hagihira, K., Kanehira, N., Okuma, T. and Kotosaka, M. (eds.) (2005) The McKinsey Anthology: IT no Honshitsu, Tokyo: Diamond, Inc.

・Hemmert M, Cross A, Cheng Y, Kim J, Kohlbacher F, Kotosaka M, Waldenberger F, Zheng L. 2019. The distinctiveness and diversity of entrepreneurial ecosystems in China, Japan, and South Korea: an exploratory analysis. Asian Business and Management 18, 211–247.
・Kotosaka, M. 2017. GE: A Story of Continuous Organizational Renovation (in Japanese). DIAMOND Harvard Business Review, Nov 2017 74-91..
・Kotosaka, M. 2016. The impact of IoT technologies on the Boundaries of the Firm (in Japanese). DIAMOND Harvard Business Review, Special Issue/ Jan 2016 106-110.
・Kotosaka, M. 2015. Accelerating the Speed of Growth by Utilising External Resources: Globalising without organisational expansion (in Japanese). JFC Research Monthly Report, 655/ 86, 38-43.
・M. 2014. How should traditional financial institutions support Born Global? (in Japanese). The Financial Journal, 55/12 106-107.
・Kotosaka, M. 2014. How creativity and productivity can mutually coexist in a company (in Japanese). DIAMOND Harvard Business Review. 39/11, 38-51.
・Yoshimoto, T. and Kotosaka, M., 2011. Shinkoukoku-shijo deno hanbai-service mou kouchiku: Toruko no eakon jijyo wo daizaini. Akamon Management Review, 10, 329-340.

(Other publications)
・Kominers, S. D., Kotosaka, M., Sato, N., and Kanno A. 2019. “Raksul” Harvard Business School Case 819-115, Boston, MA: Harvard Business Publishing. (Case study material)
・Hagiu, A. and Kotosaka, M., 2012. “GREE, Inc.,” Harvard Business School Case 713-447, Boston, MA: Harvard Business Publishing. (Case study material)
Message to Students We recruit candidates for our BA, MSc, and PhD research seminar. Our focus is on the topics related to the following keywords: Institutional logic, emergent strategy, micro-foundations of strategy, strategy as practice, institutional/non-market strategy, internationalization process, Born Global, International New Ventures, and Global Value Chain.
Our current members come from various universities across the world, including Fudan university, Shanghai university, Cambridge university, Kyoto university, Ritsumeikan university, and Keio university. We expect all the candidates to demonstrate their basic capabilities to conduct academic research, and require them to submit their research proposal with appropriate citations from relevant literature. If you are interested in joining our research group, please send me a line.
Project Web
Contact Information5322 Endo Fujisawa, Kanagawa 252-0882 Japan
Keio University Shonan Fujisawa Campus
kotosaka [ at ]
* Please replace [ at ] with @ in the email address before you send it out.
NoteOn sabbatical leave during the spring semester 2020 academic year