Hirokazu Yamaguchi

Japan Business Service Co., Ltd. engages in temporary staffing business and business support business. The company was founded on April, 1997 and is headquartered in Tokyo, Japan.

DSB Co., Ltd. engages in the provision of back-office, information technology, securities, and financial services. It operates through the following segments: Back Office, Information Technology (IT) Service, Securities and Finance. The Back Office segment includes securities planning, account opening, audit support, mail management and staffing services for brokerage firms and financial institutions. The IT Service segment manages and maintains securities-related systems. The Securities segment deals with securities trading and brokerage services. The Finance segment offers loans and collateralized securities. The company was founded on May 13, 1957 and is headquartered in Tokyo, Japan.