About

Company Profile

Company name (Japanese)
株式会社メディアジーン
Company name (English)
Mediagene Inc.
Established
October 30, 1998 (Transferred to a holding company on July 1, 2015)
Address
Arethusa Shibuya, 23-2
Maruyamacho, Shibuya-ku, Tokyo
150-0044
GOOGLE MAP
Representative
CEO, Co-Founder: Motoko Imada
Directors
Director CVO: Hiroto Kobayashi
Director GCFO: Hiroyuki Terao
Director COO:  Tatsuki Serizawa
Auditor: Natori Toshihide
Group Company
TNL Mediagene
TNL Mediagene  Inc.
Infobahn inc.
Capital
55,000,000 yen *As of December 15, 2023

Management Team

 

Directors

Director: Motoko Imada
Motoko Imada

CEO, Co-Founder of Mediagene Inc.

After working in editing, publishing, and overseas copyright negotiations for books and magazines in the publishing industry, Motoko helped launch the Japanese edition of WIRED in 1994 and served as its business manager. She then established her own business and founded the online media company Mediagene Inc. (formerly Infobahn Group Inc.) in 1998 and founded the digital agency Infobahn Inc. in 2015 through an incorporation-type company split. She has been a facilitator at the Keizai Doyukai’s (Japan Association of Corporate Executives) social gatherings since 2022. In 2023, she co-founded TNL Mediagene and became President and COO In 2024, she was appointed as an external director of NOK Corporation.

Director CVO/Founder: Hiroto Kobayashi
Hiroto Kobayashi

Director, CVO

In 1994, he founded Wired Japan magazine, of which he served as editor-in-chief. In 1998, he launched INFOBAHN, a company specializing in corporate digital communications. He also founded Gizmodo Japan and numerous other media, both print- and web-based, and published Japan’s first blog in book form, the bestselling Kawori Manabe: Just between You and Me, along with doing pioneering work in content marketing and owned media. In 2005, he served on the Content Policy Committee of the Ministry of Economy, Trade and Industry and the Cabinet Office. Since 2017, INFOBAHN has been the official Japanese partner of the Tech Open Air (TOA) technology conference in Berlin. He organizes and implements innovator creation programs, including annual trips to Berlin, while networking with in-house entrepreneurs and others. He also served as a judge for the Hiroshima Prefecture Sandbox, ran a program to lead the social implementation of blockchain in the same Cross-Tech Challenge, and was involved in conceptualizing and running Hamamatsu City's first international hackathon "Hamamatune," an annual conference held in Hakuba Village, Nagano Prefecture, centered on the circular economy, and the He has been involved in the conceptualization and operation of such events as "GREEN WORK HAKUBA," an annual conference held in Hakuba Village, Nagano Prefecture, focusing on the circular economy. In 2022, he planned a conference, co-hosted by the Ministry of Justice and others, aimed at solving social problems through cooperation between private companies, local communities, and public-private partnership (PFI) prisons. In 2024, he was appointed as a member of the selection committee for the next operator of the PFI prison "Shimane Asahi Social Rehabilitation Promotion Center" His main published works are After GAFA: A Map of Tomorrow’s Decentralized World (Kadokawa), Rise of Corporate-Generated Media (Gijutsu Hyoron), and The Web as an Image of Society’s Future (PHP). He has also supervised and provided explanatory material for the Japanese editions of Free: The Future of a Radical Price, Share: What’s Mine is Yours, Public Parts (NHK Publishing) and numerous other books.

Director and CFO: Hiroyuki Terao
Hiroyuki Terao

Director, GCFO

After working as a certified public accountant at an auditing firm, Hiroyuki became the Director of Finance at an operating company in 2015. After the company held an IPO, he joined Infobahn Group Inc. (now Mediagene Inc.) in 2017, became the Director and CFO, and has headed the company's business management since 2018.

Director and COO: Tatsuki Serizawa
Tatsuki Serizawa

Director, COO

After joining the company (formerly Infobahn Inc.) in 2007, Tatsuki helped start up new media outlets and businesses. He became the Executive Officer and CSO of former Mediagene Inc. in 2015 and headed the business strategy division. Tatsuki was appointed as the Director and CSO of former Mediagene Inc. in 2020, and became the Director and CSO of the current company in 2022.

Vice President, Director and Manager

  • Media Editorial Department: Yuko Endo
    Yuko Endo

    Vice President
    Media Editorial Division

  • Media editorial department manager: Kazumi Oda
    Kazumi Oda

    Vice President
    Media Editorial Division

  • Media Editorial Department: Daisuke Kanazawa
    Daisuke Kanazawa

    Vice President
    Product Division

  • Media editorial department manager: Nozomi Takasaka
    Nozomi Kosaka

    Vice President
    Media Editorial Division

  • Media editorial department manager: Kotaro Teshima
    Kotaro Teshima

    Vice President
    Commerce Department

  • Media Editorial Department: Kei Togashi
    Kei Togashi

    Vice President
    Media Planning Division

  • Media Editorial Department: Satoshi Yoshioka
    Satoshi Yoshioka

    Vice President
    Business Development Division

  • Media editorial department manager: Yu Ito
    Tamotsu Ito

    Executive Officer
    Media Editorial Division

  • Media editorial department manager: Kei Nakamura
    Kei Nakamura

    Manager
    Commerce Department

Our History

_

October 1998 Infobahn Inc. (currently our company, capital of 45,000,000 yen) was established in Setagaya Ward, Tokyo. Started custom magazine solution business
May 1999 Started a media solution business
November 2003 Head office moved to Shibuya Ward, Tokyo
October 2004 New lifestyle magazine for women, "MYLOHAS," published (transferred to the web version in February 2006)
July 2006 Launched the Japanese edition of Gizmodo, “Gizmodo Japan”
February 2008 Established Mediagene Inc. in Shibuya Ward, Tokyo. "MYLOHAS" and " Gizmodo Japan " are transferred from Infobahn Inc. to Mediagene Inc.
July 2008 Launched the Japanese edition of Lifehacker, “Lifehacker Japan”
April 2012 Launched "Roomie"
September 2012 Infobahn Inc. has acquired the web solution business of cafeglobe.com, and Mediagene Inc. has acquired the company's media business (now Mashing Up ).
April 2014 Started advertising agency sales service
July 2015 Infobahn Inc. changed its name to Infobahn Group headquarters Inc., and established its wholly owned subsidiary, Infobahn Inc. through a company split, and moved to a holding company structure.
September 2015 Launched the Japanese edition of Digiday, “Digiday Japan”
November 2015 Launched purchase-based crowdfunding service site "Machi-ya".
January 2017 Launched the Japanese edition of Business Insider, “Business Insider Japan”
March 2018 Acquired “BOOK LAB TOKYO,” a physical venue operated by Labit Inc., which includes a cafe, bookstore, and event space.
March 2022 Infobahn Group headquarters Inc. merged with its subsidiary, the former Mediagene Inc., and changed its name to Mediagene Inc.
April 2023 Merged with The News Lens Co. through a share exchange with TNL Mediagene
May 2023 A share exchange with TNL Mediagene will result in the merger with The News Lens Co.
April 2024 The business is acquired from the news site " Sirabee ", operated by Newsy Inc.
December 2024 Group holding company TNL Mediagene is listed on the NASDAQ market

Access

Mediagene Inc.


Arethusa Shibuya 23-2 Shibuya-ku, Tokyo 150-0044
GOOGLE MAP
Just a one-minute walk from the South Exit of Shinsen Station on the Keio Inokashira Line.

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