Yoshihiro Maeda

Persol Tempstaff Co., Ltd. provides temporary staffing services. Its services include placement and child care services. The firm offers staffing services to the clerical, sales, finance, telemarketing, biomedical, interpreter and translator, information technology engineer, creative, medical and nursing, and education fields. The company was founded in May 1973 and is headquartered in Tokyo, Japan.

Persol Career Co., Ltd. engages in employment recruitment, recruitment media operation, and job employment support. It operates under the brand PERSOL. The company was founded on June 15, 1989 and is headquartered Tokyo, Japan.

TS Consulting International, Inc. operates as a global executive search firm that focuses on the tech industry. The firm offers retained and contingency-based searches for middle to senior-level executive positions, as well as C-Level searches. Its services include retained executive search, contingency search, temporary services, independent contractor, and internship services. The company was founded in 1973 and is headquartered in Torrance, CA.

O2, Inc. engages in consulting business for manufacturing industry. Its services include business reform, IT business platform,and education. The company was founded by Shinichi Matsumoto on March 17, 2004 and is headquartered in Tokyo, Japan.