Message from the President and CEO

Under the corporate philosophy “To create new value and inspiration in all aspects of real estate,” the Tosei Group aims to contribute to society, achieve sustainable growth and increase corporate value by developing real estate and restoring its value, with a view of 10 to 20 years in the future.
As the social environment is changing at a dizzying pace, and people’s lifestyles and values are becoming more diverse, the role and value of real estate are also changing. In this environment, the Tosei Group continues to respond flexibly to these changes and create new value in real estate by effectively leveraging the total capabilities of its six main businesses. We aim to become an indispensable company to our stakeholders by continuing to develop our operations with commitment and integrity.
We look forward to your further support and cooperation.


Seiichiro Yamaguchi

President and CEO

  • Mar. 1983 Graduated from Keio University,School of Law
  • Apr. 1983 Entered Mitsui Real Estate Sales Co., Ltd.
  • Apr. 1986 Entered Tosei-Shoji Corporation
  • Aug. 1990 Director of the Company
  • Jun. 1994 President and Representative Director of the Company(current position)
  • Dec. 1995 Representative Director of Palms Community Management Co. Ltd. (the predecessor of Tosei Community Co., Ltd.)
  • Jul. 2004 President and CEO of the Company (current position)