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Takeshi Kojima

Takeshi Kojima

Staff Writer

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location of Takeshi KojimaTokyo, Tokyo, Japan

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  • Timeline

  • About me

    Head of Digital Product Strategy and Opinion Editor at DIAMOND, Inc.

  • Education

    • Waseda University

      2002 - 2006
      Bachelor Business

    • Sophia University

      2024 - 2026
      Master's degree Data Science M1

  • Experience

    • The Mainichi Newspapers Co. Ltd

      Apr 2006 - Mar 2009
      Staff Writer

    • DIAMOND, INC

      Apr 2009 - Mar 2018
      Staff Writer of WEEKLY DIAMOND

      Write articles about Japanese EconomyWEEKLY DIAMOND is one of the oldest economic magazines in Japan

    • Diamond,Inc

      Apr 2018 - Mar 2024

      • Editor In Chief, DIAMOND Harvard Business Review at DIAMOND,Inc

        Oct 2021 - Mar 2024

      • Editorial Director, Business Media & Deputy Editor In Chief, DIAMOND Harvard Business Review

        Jul 2019 - Dec 2021

      • Associate Editor of Harvard Business Review(Japanese Edition)

        Apr 2018 - Dec 2021

    • Diamond, Inc

      Apr 2024 - now
      Head of Digital Product Strategy and Opinion Editor

      At DIAMOND, Inc. I lead the integration strategy for digital media, focusing on the vital elements of content, audience and product. I work with my team to enhance the DIAMOND brand and implement strategic approaches to increase our competitive edge in the industry. As Opinion Editor, I am dedicated to sharing new insights both internally and externally, accelerating social change through the power of data.

  • Licenses & Certifications

    • 統計検定２級

      一般財団法人 統計質保証推進協会

    • 個人情報保護士

      全日本情報学習振興会
      Oct 2021

    • 証券外務員一種

      日本証券業協会

    • Oracle Certified Java Programmer, Silver SE 7

      Oracle