Tsuyoshi Takagi

Rio Consulting Co., Ltd. engages in the business of asset management and regeneration consulting services. It also provides property management; general insurance agency business; life insurance agency business; operation of commercial facilities; and planning, design and supervision of other management related works. The company was founded on February 25, 1991 and is headquartered in Tokyo, Japan.

Rio Holdings Co., Ltd. engages in the management and operation of corporate group companies through holding the shares. It provides real estate and asset management businesses. The company was founded in February1991 and is headquartered in Tokyo, Japan.

Flier, Inc. offers book summaries through its website. Its books summaries include topics about career, school, leadership, strategy, marketing, finance, and information technology. The company was founded by Yasushi Ohga and Hiroshi Kanda on June 4, 2013 and is headquartered in Tokyo, Japan.