Corporate Profile

Company Name
Metaps Inc.
September 3, 2007
JPY 5,420 million as of August 2018
357 as of August 2018
Sumitomo Fudosan Azabu Juban Building 3F
1-4-1 Mita, Minato-ku, Tokyo



  • Chairman
    Katsuaki Sato
  • CEO
    Yuichiro Yamazaki
  • Director
    Yoichi Wada

(Audit & Supervisory Committee member)

  • Ken Takayama
  • Akira Kamemura
  • Tomoya Yoshikawa


  • Heizou Takenaka


  • Richard Zheng
  • Daisuke Hara
  • Hiroki Haginoya
  • Heejoong Yun
  • Seiji Takagi
Chairman Katsuaki


Waseda University, School of Law (left before completion of degree)

Sato is founder and current Chairman of Metaps. Launched “Metaps”, the data-driven app monetization platform, in 2011 and started the business in eight locations worldwide. Sato started the online payment platform, in 2013. Metaps was listed on TSE Mothers in 2015. Sato was awarded “THE START-UP OF THE YEAR 2015" by Forbes, and selected as one of the “Top 100 Global Players in Japan” by AERA, also in 2015. Sato is the author of “The Money 2.0" and “How to predict the Future”.

CEO Yuichiro


University of California, Berkeley

Graduate School of Management, Kyoto University

Yamazaki joined Deutsche Securities Inc. in 2006 where, he was actively involved in M&A and the financing of telecom media and technology (TMT) sectors. After working at Deutsche Securities, he founded his own technology company in Kyoto where he served as CEO. Joined Metaps as CFO in 2011. Prior to becoming CEO, Yamazaki served as Vice President since 2016.

Director Yoichi


The University of Tokyo, Faculty of Law

Yoichi started his career at the investment bank, Nomura Securities. In 2000, he joined Square and became the CEO. When Square merged with Enix, he became the new company's president and representative director. Under his presidency, Square Enix acquired the video game company Taito, in 2005, and the British video game publisher Eidos Interactive in 2009. Yoichi served as CEO of Square Enix Group for more than ten years. He has been chairman of the Computer Entertainment Supplier's Association (CESA) since May 2006. He joined Metaps in 2015.

(Audit & Supervisory Committee member)


Hitotsubashi University

The University of Texas at Austin - Red McCombs School of Business

Ken started his career at The Industrial Bank of Japan, Limited (now Mizuho Bank) in 1988. During that time, he was actively involved in retail sales and M&A advisory business. In November 1999, he joined Rakuten, Inc. as a Senior Director, where he was initially involved in overall IPO-related business, and later took on the role of CFO in February 2010. He was an Executive Advisor of Rakuten, Inc. from March 2013 until his resignation in March 2014. He joined Metaps Inc. in September 2016 as a corporate advisor and he took on the role of outside director in November of the same year. Appointed as a member of audit and supervisory committee in 2018. He is also serving as a corporate auditor to TechMatrix Corporation since June 2001.

(Audit & Supervisory Committee member)


Ritsumeikan University College of Business Administration

Joined Nikko Securities Inc. in 1970 and has devoted himself to sales. After filling the post as Manager of branch offices nationwide, he became Corporate Officer in 1998, and was assigned as General Manager of Kanto Corporate Regional Division. Later he took a post as Managing Director of Nikko Enterprise Co., Ltd., then joined Alpha Systems Inc. as Managing Director in 2001. He contributed his efforts for the Investors Relations office, Management Audit division and then as Managing Officer of Product Sales division until resigning in 2009. From 2009, he became an Advisor for AIU Insurance Company, then joined Metaps Inc. as Auditor in 2011. Appointed as a member of audit and supervisory committee in 2018.

(Audit & Supervisory Committee member)


Keio University, Faculty of Commerce

Joined Deloitte Touche Tohmatsu LLC in 1996 where he was involved in statutory audits of trading firms, biotech companies and other startups. In that role, he also provided support to firms in respect to public offerings and the strengthening of their internal management systems. In 2011, he opened up his own accounting office, and joined Metaps Inc. as Auditor in 2015. Appointed as a member of audit and supervisory committee in 2018.

Management Advisor Heizou


Hitotsubashi University - Department of of Economics

Former associate professor of Harvard University. Takenaka held successive positions in the Koizumi administration, including serving as Minister of State for Economic and Fiscal Policy, Minister of State of Financial Services, Minister of Economic and Fiscal Policy and Minster of Internal Affairs and Communications. Takenaka also lead the reform on postal privatization policy. He took up posts as a professor at Toyo University and was emeritus professor at Keio University. He holds positions in the private sector, such as Chairman/Director of Pasona Group Inc., Director of Roppongi Academyhills, and Outside Director of Orix Corp. and SBI Holdings. He also serves as an advisor at JCER.