GPSS Holdings Inc.


Grid Parity for Sustainable Society GPSS HoldingsGrid Parity for Sustainable Society GPSS Holdings

Corporate ProfileCorporate Profile

  • Company NameGPSS Holdings Inc.
  • EstablishmentOctober 2012
  • RepresentativeMasaaki Mezaki, Chief Executive Officer
  • Capital24 million yen
  • Head OfficeShibakoen ND Bldg.6F, 2-5-10 Shiba,
    Tokyo 105-0014, Japan
    Tel.: [+81](0)3-6435-2391
  • Number of locations (Japan)5 offices
  • Number of employees122 (as of the end of June 2017)
  • Core businessRenewable energy development and investment business,
    Investor due diligence services,
    Power monitoring,
    monitoring service for large IPP

Branch OfficesBranch Offices

Sapporo Branch8-3-6 Kita 35 Jo Nishi,
Hokkaido 001-0035, Japan
Tel.: [+81](0)11-374-8712
Fax.: [+81](0)11-374-8728
Tohoku BranchHigashinihon Tatemono Sendaiekimae
Bldg. 5-C,
3-6-7 Aoba-ku,
Miyagi 980-0021, Japan
Tel.: [+81](0)22-302-7072
Fax.: [+81](0)22-302-7074
Tokyo Head OfficeShibakoen ND Bldg.6F,
2-5-10 Shiba,
Tokyo 105-0014, Japan
Tel.: [+81](0)3-6435-2391
Fax.: [+81](0)3-6435-2392
Osaka BranchHigashiguchi Station Bldg. 915,
Higashinakajima, Higashiyodogawa-ku,
Osaka 533-0033, Japan
Tel.: [+81](0)6-6195-1903
Fax.: [+81](0)6-6195-1904
Kyushu BranchHakata Kindai Bldg. 9F,
Hakata-ku, Fukuoka-shi,
Fukuoka 812-0013, Japan
Tel.: [+81](0)92-409-3409
Fax.: [+81](0)92-409-3490

Group CompaniesGroup Companies

  • Geothermal Development
    & Investment Inc.
    Geothermal Power Development
    and Investment Business
    Flash generator design
    manufacturing business
    Various binary generator import businessGeophysical exploration project
    (artificial seismic electrical surveys)
    Small Hydroelectric Generator Import BusinessBiogas, waste heat etc. Development
    and investment business
  • Japan Wind Power Service
    Wind condition research project
    Onshore wind power investment business
    Operations & Maintenance business
  • CIS Japan
    Business consulting
    Existing power plant assessment and purchase
    Power generation monitoring service
  • Other related businessAsset management business
    Type II Financial Instruments Business
    Refinery financial product composition
    Market make of second-hand used assets
    Power Derivatives Business

Corporate DirectorsCorporate Directors

Chief Executive Officer Masaaki MezakiChief Operating Officer and Co-Chairman Takahiro Kurata

Graduated from the Faculty of Commerce, Keio University. Master of Social Anthropology from the London School of Economics (LSE), University of London, and was an interest rate derivative trader for Merrill Lynch working in Tokyo, New York and London. After leaving Merrill Lynch, travelled to more than 100 countries around the world for nearly 10 years. In 2012, set up Japan Megasolar Inc. to achieve grid parity with photovoltaic power generation. Looking to the development of renewable energy business, changed the company name to GPSS Holdings Inc. in April 2017. Also conducts educational activities for dissemination of renewable energy information through various media.

Books: “Happy Developing Country Nippon” (Aspect) etc.
Radio: FM Yokohama (84.7 MHz) “Baile Yokohama” Every Sunday from 21: 30
Radio Japan (1442 kHz) “Mezaki Masaaki’s Happy Wedge” Every Friday from 25: 30
rfc Radio Fukushima (90.8 MHz) Every Tuesday from 9: 15

Chief Operating Officer and Co-Chairman Takahiro KurataChief Operating Officer and Co-Chairman Takahiro Kurata

Gunma Prefecture, Maebashi High School
Faculty of Science and Technology, Tokyo University of Science, Department of Physics
Completion of GreenPower Academy Renewables

  • 1995 Started internship at Merrill Lynch Tokyo branch.
  • 1996 Started trading of interest rate derivatives at the company.
  • 2014 Left the company and joined the GPSS group.
  • 2015 Founded Geothermal development Inc.and GPFS, Inaugurated as Chief Exective Officer.
  • 2016 Inaugurated as COO & Co-Chairman of Japan Megasolar Inc..
  • 2017 Changed company name to GPSS Holdings Inc., and inaugurated as COO & Co-Chairman.


External Director Hiroshi NonomiyaExternal Director Hiroshi Nonomiya

Joined Mitsubishi Corporation in 1974 in the Iron Ore Department, after obtaining an MBA from the European Business School (INSEAD) in 1981, joined the Investment Summary, Examination Division of Mitsubishi Corporation. Since 1986 European Mitsubishi Corporation invested in Europe and Africa Strategy planning staff Established MCF Financial Service (London) in 1990 and assumed the position of president Advisory business of acquisitions between Japan and Europe, Merchant · banking investment in Europe, LBO finance etc. Non-dye business In 1994, he returned to Mitsubishi Corporation headquarters and founded an investment company in Asia, promoted private equity investment, promoted advisory work in China and Asia, moved to Ripplewood Holdings (New York) since 1996. In 1999, as a founding member of Nippon Fund’s Japan base set up by Ripplewood, participated in management of RHJ Inn 2005 Appointed over the National Representative Director.
Participated in Crosspoint Advisors, an independent advisory firm, gathered from global investment banks and general trading companies since 2012. He is engaged in advisory business on cross border M & A, business revitalization advice, fund placement support and others.

  • · Crosspoint Advisors Corporation Representative Director
  • · Joyful Co., Ltd. Honda Outside Director
  • · Founding Director of General Association Social Investment Partners
  • · Director of Music Masters Course of the General Association
  • · Asian Venture Philanthropy Network (Singapore) Outside Director
  • · Waseda University Business School part time lecturer (in charge of business revitalization)

Corporate HistoryCorporate History

  • Company established in October 2012
  • March 2015 Geothermal development Inc. founded
  • March 2015 GPFS Co., Ltd. established
  • September 2016 Established Japan Wind Services Inc.
  • October 2016 General Corporation Mirai Chiiki Lab established
  • April 2017 Changed company name to GPSS Holdings Inc.