Tatsuo Ushijima


  Keio University

  Faculty of Business and Commerce

  E-mail:  taushjm at fbc dot keio dot ac dot jp

  Tel.: +813-5427-1714

  • 2003    University of California, Los Angeles (Ph.D., Management)
  • 1991    Keio University (M.A., Economics)
  • 1989    Keio University (B.A., Economics)
Past employment:
  • 2003-2015     Aoyama Gakuin University, Graduate School of International Management
  • 1991-1998     Mitsubishi Research Institute, Inc.
Areas of expertise:

Corporate strategy; Corporate finance; Organizational economics

Research fields:

Industrial diversification (and refocusing); Corporate restructuring; Mergers and acquisitions