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Board member

  • Chief Executive Officer Genji Nagai

    Prior to co-founding FLUX, Genji worked as a consultant at Bain & Company where he led development of strategic initiatives for a US-based telecommunications service provider and due diligence for private equity funds and Japanese trading companies.
    Genji has a B.S. in Law from Keio University.

  • Chief Business Development Officer Shinnosuke Hirata

    Prior to co-founding FLUX, Shinnosuke led web media monetization strategy for Kakakucom, working on leading Japanese media sites such as Tabelog,, and Web CG, which have as many as 3 billion monthly combined page views. He has also served as an advisor to multiple external media platforms and has presented at multiple ad-tech conferences.
    Shinnosuke has a B.S. in Chemistry from Rikkyo University.

  • Chief Technology Officer Edwin Li

    Prior to joining FLUX, Edwin co-founded an Ed-tech startup focused on offline course design and research. He has expertise in algorithms, machine learning, deep learning, and
    Chinese/English translation. Edwin studied computer science at the University of Cambridge and the Tokyo Institute of Technology.
    W3C Member and AC Rep ACM Professional Member

  • Chief Operating Officer Gentaro Fuse

    Gen developed a background in operations at Mitsubishi Corporation, one of Japan’s largest trading companies. At Mitsubishi, Gen was responsible for procurement and supply chain for Japan’s largest clothing company. He left Mitsubishi to start an online business in the fashion industry, after which he joined FLUX as COO.
    Gen has a B.S. in Political Science from Keio University.

  • Chief Revenue Officer Ikuma Saito

    Ikuma has deep digital marketing industry experience. His career includes experience in supply/demand sales at Logly (native ad network) and strategic marketing at Speee, where he was responsible for developing data-driven marketing initiatives for various clients. He joined FLUX in March 2020 as CRO.

External board member

  • Board Member, External Advisor Akira Kurabayashi

    Akira is a Managing Partner at DNX Ventures, one of Japan's leading venture capital firms. Prior to joining DNX Ventures, he was Japan Head at Salesforce Ventures and Globespan Capital Partners. Prior to Globespan, he was Co-Founder & Director of Mitsui Technology Investment Group in Silicon Valley. Previously, Akira spent 5 years at Fujitsu Limited.
    Akira has an MBA from the Wharton School of the University of Pennsylvania, and a B.A. and Ph.D. in Technology Management from Doshisha University.

  • Board Member, External Advisor Shumpei Fukui

    Shumpei is a Managing Partner at Archetype Ventures, having raised and operated funding to invest in over 40 B2B tech companies. Prior to joining Archetype, Shumpei founded and
    operated a company. Prior to his entrepreneurial activities, Shumpei worked at NTT Data doing B2B sales.
    Shumpei holds a degree in Entrepreneurship from Graziadio Business School at Pepperdine University.


  • Audit & Supervisory Board Member Ryosuke Kaneko

    Ryosuke is an experienced auditing professional. He helped clients prepare for IPO at EY Japan, then joined a Japanese private equity fund where he managed growth for portfolio companies. He joined FLUX in October 2021.
    Ryosuke has a M.S. in Economics from Tohoku University.

  • Outside Audit & Supervisory Board Members Jiro Tamura

    Lawyer and professor at Keio University Faculty of Law. Specializes in economic law, international economic law, and negotiation studies.
    Currently, Jiro is an International Academic Advisor for the International Negotiations Program at Harvard University and a Special Advisor for White & Case Law Offices.
    Graduated from Keio University Faculty of Law
    Graduated from Harvard Law School
    Keio University Graduate School of Law Doctoral Program Completed without completion of credits

Executive officer

  • SVP of Engineering Koh Nakagawa

    Ko was on the founding team of a mental health care startup, then worked at a series of startups as a freelance engineer. After working as a front-end engineer at an insurance
    startup, Ko joined FLUX as VP of Engineering in August 2020.

  • SVP of Administration Ryuji Miura

    Ryuji is an experienced accounting executive, starting his career with Azusa Auditing Co. where he worked in auditing, accounting, and advisory. He then joined Kepple Group, eventually becoming President of both Kepple Consulting and Kepple Accounting. He joined FLUX in April 2021 after Kepple was acquired by Hongo Tsuji Tax Advisors.
    Ryuji has a M.S. in Accounting from Waseda University.

  • VP of Corporate Planning Takami Kowalski

    Takami has a background in strategy, having worked as a consultant at Bain & Company for clients in Japan, the US, and Europe ranging from private equity due diligence to strategic planning for multinational companies. He joined FLUX in January 2021 as a Manager of Strategy, and was promoted to VP of Corporate Planning in May 2022.
    Takami has a B.S. in Mechanical Engineering from Brigham Young University.

  • VP of Technology Shoyu Ro

    Shoyu has a wide array of engineering experience as a Sales Engineer, Product Manager, and Engineering Manager across several start-ups.
    After joining FLUX as Lead Engineer for siteflow, he was promoted to VP of Technology in May 2022.

  • VP of Marketing Shohei Hijikata

    Shohei started his career at a digital marketing agency before establishing his own marketing consultancy in 2018. His clients included Toyota Automotive Motors and Suntory,
    one of Japan's largest beverage companies. Shohei's consultancy was contracted to work with FLUX in March 2021, and Shohei joined FLUX full-time in May 2022 as VP of

  • Executive Officer Shunpei Okanoue

    Engaged in advertising product development, data business construction, and operation at major domestic media. Joined FLUX in March 2021 and became an executive officer in May 2023 after working as account executive, product planning, and new business development.
    Graduated from Faculty of Engineering, Kobe University

  • VP of Data Takahiro Nishimura

    After conducting data analysis and R&D at Recruit Holdings, engaged in the establishment of a data analysis organization and organization of personnel systems in the personnel affairs of Recruit Holdings.
    After that, Takahiro was engaged in organizational strengthening of the global IT organization at Fast Retailing. Joined FLUX in December 2022. Co-authored and published two books: Data Scientist Training Reader Toryumon Edition (Gijutsuhyoronsha) and Human Resource Development Capabilities for Top Companies (Sakurasha).

We're always looking for great people to join our team to help build the future of FLUX.

At FLUX we hire individuals from a wide array of backgrounds.
We'd love to hear from you! Please check out our careers page for more information.

Learn more about careers at FLUX