Management Team

Board of Directors

  • Executive Chairman
    Sachio Semmoto
    Executive Chairman
    Sachio Semmoto
    After studying electrical and computer engineering at university, Dr. Semmoto worked at Nippon Telegraph and Telephone Public Corporation (now NTT) and then went on to co-found Daini Denden Inc. (now KDDI) with Kazuo Inamori and others. Later, he launched eAccess and eMobile and led the expansion of both companies for many years. In addition to serving on the board of a renowned Silicon Valley-based company and Trustee Director of Thomson Reuters Founders Share Company, he has also served as a graduate school professor at Keio University, a visiting professor at the University of California, Berkeley and Carnegie Mellon University, and as a visiting fellow at Stanford University. With his entrepreneurial and management experience, combined with an extensive network, Dr. Semmoto is deeply engaged with RENOVA’s business activities.
    Ph.D (Electrical and Computer Engineering)
  • Founding CEO
    Yosuke Kiminami
    Founding CEO
    Yosuke Kiminami
    Mr. Kiminami founded RENOVA in 2000 and became the CEO. He grew RENOVA from its original Environmental Consulting business to include Plastic Recycling and Renewable Energy. Prior to RENOVA, he worked for McKinsey & Company. He holds a BS in Human Sciences, Faculty of Integrated Human Studies from Kyoto University.
  • COO
    Isamu Suyama
    COO
    Isamu Suyama
    Mr. Suyama joined RENOVA in 2016, becoming a Director in 2019. Prior to RENOVA, he was the customer service director at SoftBank, and prior to that was the President and Representative Director of eAccess (acquired by SoftBank). He co-founded ACCA Networks in 2000, and prior to that was involved in software development at NTT (Nippon Telegraph and Telephone). He holds a BA from the University of Tokyo (College of Arts and Sciences).
  • CFO
    Kazushi Yamaguchi
    CFO
    Kazushi Yamaguchi
    Following graduate school studies in precision engineering, Mr. Yamaguchi joined Goldman Sachs, where he was responsible for providing client companies with practical support for finance and growth strategies, including funding and IR strategy. He also supported general management including growth strategy execution as a seconded employee and outside director of companies in which Goldman Sachs invested.
    Since joining RENOVA, Mr. Yamaguchi has employed his wide-ranging finance knowledge and management experience to supervise overall Corporate Finance, Management Planning, IR, Accounting and Public Relations.
*Each of the External directors is an independent director except Mr. Koichi Kawana

Audit & Supervisory Board Members

*Each of the External Audit & Supervisory Board Members is an independent director

Senior Executives

  • Founding CEO
    Yosuke Kiminami
    Founding CEO
    Yosuke Kiminami
  • Chief Operating Officer
    Isamu Suyama
    Chief Operating Officer
    Isamu Suyama
  • Chief Financial Officer
    Kazushi Yamaguchi
    Chief Financial Officer
    Kazushi Yamaguchi
    Following graduate school studies in precision engineering, Mr. Yamaguchi joined Goldman Sachs, where he was responsible for providing client companies with practical support for finance and growth strategies, including funding and IR strategy. He also supported general management including growth strategy execution as a seconded employee and outside director of companies in which Goldman Sachs invested.
    Since joining RENOVA, Mr. Yamaguchi has employed his wide-ranging finance knowledge and management experience to supervise overall Corporate Finance, Management Planning, IR, Accounting and Public Relations.
  • Chief Technology Officer
    Tomokazu Ogawa
    Chief Technology Officer
    Tomokazu Ogawa
    Dr. Ogawa joined RENOVA in 2012 and took his current role from 2017. Prior to RENOVA, he worked for Takenaka Corp. as a Structural Engineer and a Project Manager. He holds a MS and Ph.D in Engineering from the University of Tokyo, MBA from the University of Cambridge.
  • Chief Human Resources Officer
    Naoko Suzuki
    Chief Human Resources Officer
    Naoko Suzuki
    Ms. Suzuki joined RENOVA in 2018. Prior to RENOVA, she worked for F-Power Inc. as the CEO. Prior to that, she worked for BP Japan and Mitsubishi Corporation. She holds a BA in Law from Tohoku University.
  • Head of Project Management
    Kiyohiko Fukuma
    Head of Project Management
    Kiyohiko Fukuma
    Mr. Fukuma joined RENOVA as head of Project Management in 2017, where he is responsible for the development of solar, wind and geothermal electric power projects, as well as managing financing for all of RENOVA's renewable energy projects. Previously, he worked for Japan Renewable Energy Corporation from 2014, where he led the project financing and commencement of construction of solar, wind and other power plants. Prior to that, he worked for ORIX Corporation, where he was engaged in real estate finance and legal affairs. He holds a BA in Law from Keio University.
  • Head of Biomass Energy
    Yusuke Nagai
    Head of Biomass Energy
    Yusuke Nagai
    Mr. Yusuke Nagai joined RENOVA in 2006. From January 2019 he has been head of Biomass Energy of RENOVA. Prior to that, he worked as a group leader of Biomass Energy from 2016.
  • Head of Operation
    Masayoshi Oide
    Head of Operation
    Masayoshi Oide
    Mr. Oide joined RENOVA as Head of Operations in 2020, to manage overall affairs related to the operation and management of renewable energy power plants run by RENOVA. In the same year, he also assumed the post of President of RENOVA Asset Management, Inc., a consolidated subsidiary of RENOVA. Previously, he joined USJ Co., Ltd. in 2005, and was appointed Executive Officer, Senior Vice President of Park Operations Division in 2017. Before that, he worked for General Electric Company, Kawasaki Heavy Industries, Ltd. and other companies, engaged in projects for the development and design of fluidized bed boilers and on the construction, trial operation and other management duties for power generation plants. He holds a MS in Mechanical Engineering from Hokkaido University.
  • Head of Global Business
    Neil Miyabe
    Head of Global Business
    Neil Miyabe
    Mr. Miyabe joined RENOVA as the head of Global Business in 2018. He was an advisor to Renova from 2015 to 2018. Prior to RENOVA, he was an investor, management member and advisor to several startup companies in Silicon Valley with primary focus on clean technology sector. Prior to that, he worked for Goldman Sachs in Tokyo and San Francisco as an Investment Banker and as a member of TMT and Cleantech & Renewables group. He holds MA in Environmental Economics from Keio University.
  • Head of CEO's Office
    Tomofumi Imaoka
    Head of CEO's Office
    Tomofumi Imaoka
    Mr. Imaoka joined RENOVA in 2014 and took his current role from 2017. He also serves as a director of the Japan Geothermal Association. Prior to RENOVA, he spent two years volunteering in Fukushima. Prior to that, he was a partner at A.T. Kearney. He holds a BA in Economics from the University of Tokyo.
  • Head of Corporate Administration
    Koichi Furuta
    Head of Corporate Administration
    Koichi Furuta
    Following university studies in commercial science, Mr. Furuta joined RENOVA (then known as Recycle One), where he gained experience in environmental business consulting and heading the administrative division at a subsidiary. After working on IPO and market modification projects, Mr. Furuta took on the position of Head of Corporate Administration, in which he oversees governance, compliance, corporate services, IT and executive assistants.
  • Co-Head of Project Management
    Naoki Nagahamaya
    Co-Head of Project Management
    Naoki Nagahamaya
    Prior to RENOVA, Mr.Nagahamaya worked at NTT East and two renewable companies. At Gaia Power (now GF), he successfully expanded the renewable business segment as a board member and COO. He has led multiple large-scale projects and boasts a wealth of experience in renewable energy business development. At RENOVA, Mr. Nagahamaya is responsible for development of offshore wind farm projects.

Adviser

  • Executive Advisor & Director Fuel Procurement Group Biomass Energy
    Yoshinobu Kusano
    Executive Advisor & Director Fuel Procurement Group Biomass Energy
    Yoshinobu Kusano
    Mr. Yoshinobu Kusano joined RENOVA as Executive Advisor in 2017. From January 2018 he has been head of Fuel Procurement Group, Biomass Energy of RENOVA. Prior to that, he worked for Sumitomo Corporation head office as well as offices in Saudi Arabia and in Johannesburg (Republic of South Africa) as its representatives. He has been involved in start-up of overseas plantation forest management and operation joint venture as Director. From 2003, he has been intensively focusing on biomass fuel development and sourcing as a head of Biomass Group of Sumitomo Corporation. He holds a BA in Law from Waseda university.