About Us

Founder and CEO

Born in 1981, in Aichi Prefecture, Japan. After studying for a few years in Aichi University, he went to Tokyo and joined HOOPS, inc. (a former subsidiary of CyberAgent, Inc. and later bought out by Rakuten, Inc.) as a part-time worker. He participated in launching a mobile-oriented start-up company founded by a former Director of CyberAgent, Inc. and worked as an operating officer for some years. In 2004, he founded Opencube, Inc. and became representative Director. He continued to expand his original Web services for eight years. In 2012, Tsunekawa acquired the mobile application development division, which had been established in Nagoya by Opencube, through a management buyout and set up an independent company, WonderPlanet Inc.

Norihiko KUDEKEN
Director and Executive officer COO

Born in 1982, in Okinawa Prefecture. After graduating from Chuo University, he joined an advertising agency in 2007 and worked for game development companies. Since 2009, he was engaged in sales and marketing in the field of game development in BitCash Inc., a company providing a prepaid online e-money system. In this company, he succeeded in rapidly increasing the amount of circulating “BitCash” e-money and contributed to assuring the leading position of BitCash as the server-type e-money in the game development market. In 2011, he joined Zynga Japan K.K. and worked in various fields of business, including marketing, public relations, market research, trend analysis of paying users, and business tie-ups, and played a leading role in increasing the sales of their products. In February 2013, he became a Director and CMO of WonderPlanet Inc. In September 2016, he became a Director and Executive officer COO (In charge of the Business Development Division).

Akinori SATO
Director and Executive officer CFO

Born in 1984, in Aichi Prefecture, Japan. After graduating from the Graduate School of Kobe University with a master’s degree in Economics, he joined Daiwa Institute of Research Ltd. in 2008. In 2009, he was reassigned to Daiwa Securities SMBC Co. Ltd. Financial Research Center (the present Daiwa Securities Co. Ltd.) As an analyst on the stock market covering Internet consumer services and investment banks, he rated over ten companies and helped with raising finance, making investment decisions, and conducting mergers and acquisitions from the planning stage. While at the same time, he was engaged in recruiting analysts, managing cost using original models, as well as planning and implementing the reorganization of the group in the planning division of the head office. In January 2016, he became a Director and CFO of WonderPlanet Inc. In September 2016, he became a Director and Executive officer CFO (In charge of the Corporate Planning Division). He is one of the Chartered Member of The Securities Analysts Association of Japan (a public service corporation).

Chairman of the board

Born in 1975, in Tokyo, Japan. After graduating in architecture (faculty of engineering) from Chiba University, he participated in starting up CyberAgent, Inc. and became the first employee of the company. He successively filled various posts, including management of the sales, overseas, and media departments, then became head of the president’s office, and after officer of a subsidiary company. In 2005, he left CyberAgent and became Vice President of Unoh Inc. In 2010, Unoh was acquired by Zynga Inc. and Ishikawa became General Manager of Zynga Japan K.K. In January 2013, he quit Zynga Japan and became a Director and CSO of WonderPlanet Inc. in April. In September 2016, he became a Chairman of the board.

Yoichi WADA
Director (outside)

Born in 1959, in Aichi Prefecture, Japan. After graduating in the Faculty of Law of the University of Tokyo. He started working at Nomura Securities Co., Ltd. in 1984. In 2000, he began working at Square Co., Ltd. He was appointed representative Director and president in 2001. Starting in 2003, he was the representative Director and president of SQUARE ENIX Co., Ltd. From 2008 until 2013, he was the representative Director and president of SQUARE ENIX Holdings Co., Ltd. He has been the chairman of the Computer Entertainment Supplier's Association (CESA), chairman of Sub-Committee on Copyright of Keidanren (the Japan Business Federation) and member of the Japan Brand and Contents Council. In May 2015, he became the Director of Metaps Inc . He received the Medal with Blue Ribbon in April 2016. In August 2016, he became an outside Director of WonderPlanet Inc.

Director (outside)

Born in Kanagawa Prefecture in 1976. Graduated from Hitotsubashi University’s Faculty of Commerce and Management. Joined Hakuhodo Inc. in 1999 and worked there for six years. Appointed Director at Interspire, Inc. (now UNITED, Inc.) in 2006, and became Director at UNITED, Inc. at the end of 2012 after two management integrations. From 2013 to 2017, Teshima served as outside Director for the invested Mercari, Inc. In June 2018, he resigned as Director of UNITED, Inc. and in August 2018 was appointed outside Director at Gunosy Inc.

Masatoshi FUKASAWA
Director (outside)

Born in 1979, in Yamanashi Prefecture, Japan. He gained a BS degree in Physical Electronics from Tokyo Institute of Technology and a PLD from Harvard Business School. He joined Accenture in 2002 as a management consultant in the telecom, high-tech, media and internet industries, engaging in more than 50 projects covering business strategy, new business start-ups, SCM reform, R&D strategy, and so on. After joining DeNA, he worked at CEO office, head of marketing and ngmoco Director, managing and marketing mobile games in the US and overseas and contributing to the launch of a smartphone game that became a No.1 bestseller in North America. He became CEO of DeNA Life Science in 2014 and started up their new business (healthcare business). Later, in DeNA's Strategic Investment Office, he focused on venture investing in Japan and overseas. He joined Eight Roads Ventures Japan in 2016 where he is currently engaged as Principal in venture investing and development. In July 2017 he became an outoside Director of WonderPlanet Inc.

Director (outside)

Born in 1968, in Osaka Prefecture, Japan. After graduating in electrical engineering (Faculty of Science and Engineering) from Doshisha University, he joined CSK Corporation, which had SEGA Enterprises under its umbrella at that time, in 1992. As a programmer, he participated in various development projects, covering several home video games, and implementation of script compilers for RGB games. In 1996, he took part in founding DigitalDesign Co, Ltd., planning and developing its original compression and transfer protocol for a relational database (RDB) (which later obtained an international patent), and launching a middleware business. In 2000, DigitalDesign became the first company to be listed on the NASDAQ Japan market. In 2008, he joined Global Brain Corporation and was involved in fostering investment. (Now he is in charge of incubating partnerships.) In November 2015, he joined WonderPlanet Inc. as the outside Director.

Hiroyasu MOURI
Full-time auditor (outside)

Born in 1965, in Gifu Prefecture. After studying nuclear power engineering, he graduated from the Graduate School of Tokyo University with a master’s degree of engineering. In 1989, he joined CHUBU Electric Power Co., Inc. In 2000, he made a career move and entered an audit corporation Deloitte Touche Tohmatsu. (the present Deloitte Touche Tohmatsu LLC). Since then, he has been involved in auditing a number of listed and unlisted companies. He also has plenty of experience in auditing consolidated financial statements including overseas subsidiaries. In 2004, he was registered as a certified public accountant. In January 2016, he joined WonderPlanet Inc. as their auditor.

Auditor (outside)

Born in 1964, in Tokyo and graduated from Sophia University. From 1999 to 2009, he engaged in venture capital financing at Yasuda Enterprise Development Co., Ltd. He contributed to producing several listed companies as well as growing companies while experiencing many difficult situations and failures. In 2009, he established Y’s Associates. Since then, he has been supporting the development of venture companies, by mainly strengthening venture financing and corporate governance. In August 2013, he joined WonderPlanet Inc. as their outside auditor.

Atsushi OKADA
Auditor (outside)

Born in 1979, in Tokyo Prefecture, Japan. Graduated from the Faculty of Law, the University of Tokyo. In 2002, he registered as an attorney-at-law and took up his current position at Mori Sogo law firm (now Mori Hamada & Matsumoto). He graduated from Harvard Law School in 2007 and from 2008 worked at the Silicon Valley law firm Weil, Gotshal & Manges. In the same year, he registered as an attorney-of-law in New York State. He served as Lecturer at the College of Law and Politics, Rikkyo University 2010 to 2011 and has been a Visiting Professor at the Graduate School of Business, Aoyama University since 2011. In 2012 he became Advisor for Damage from Counterfeit Products at the Japan Institute for Promoting Invention and Innovation. Since 2015 he has been a Lecturer for the Infringement Litigation Training Program for Patent Attorneys at the Japan Patent Attorneys Association.

Masaaki SUMI
Executive officer
Executive officer
Michiharu AOTA
Executive officer
Norikazu HIRAKI
Executive officer
Tomotsune MURATA
Executive officer

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