Katsura Sato

Part of ZIGExN Co., Ltd., Brain Lab, Inc. (Japan) offers human resource introduction and dispatch systems, "Career Plus" and "Matchingood". The company is based in Tokyo, Japan. The Japanese company specializes in human resources and provides a wide range of introductions from companies that have just started the referral business to major companies. Brain Lab Co., Ltd. was founded in 2002 and has been supporting the development of the recruitment business through the provision of the core system "Career Plus" for the human resources business. In 2014, Brain Lab, Inc. (Japan was acquired by ZIGExN Co., Ltd. for $11.51 million.

Part of ZIGExN Co., Ltd., Rejob Co., Ltd. operates online search engine sites. The company is based in Tokyo, Japan. Rejob Co. was acquired by ZIGExN Co., Ltd. on September 26, 2014 for $18.21 million.

Part of ZIGExN Co., Ltd., NIZIGExN Co., Ltd. is a Japanese company that provides web integration services. The company is based in Tokyo, Japan.

Apple World, Inc. provides travel agency and online hotel reservation booking services that include travel community portal development and operations. The company was founded on December 6, 1991 and is headquartered in Tokyo, Japan.

Sanko Ad KK engages in planning, production, and issuance of newspaper foldout advertisement. The company was founded on January 21, 1998 and is headquartered in Nagoya, Japan.