About Us


To create a world where medical services can be accessed with technology anywhere, anytime


  • Think deeply and strategically.
  • Opt for a path that has a greater impact.
  • Moving ahead while maintaining high quality and speed.
  • Have an open and respectful mind.
  • Treasure positivity and creativity.


  • CEO

    Osamu Iizuka

    An undergraduate of the Department of Medicine, Kyushu Univ. School of Medicine. Osamu has many experiences of developing software in Machine Learning, Deep Learning & Web. After working as a web-engineer in a startup, and winning first place at a pitch competition in Silicon Valley, he founded Medmain with a few members from Kyushu University.

  • Board of Director

    Shintaro Asako

    After working at Arthur Andersen and KPMG, served as vice-president and CFO of the US-based company MediciNova, Inc. and enabled listing of the company on the Osaka Securities Exchange and NASDAQ. Joined DeNA Co., Ltd. in 2011 and was appointed CEO of DeNA West Co. in 2013. Later, served as CFO of DeNA Co., Ltd. until March 2019 and as executive officer until July. Concurrently serves as outside director at multiple stock market listed as well as unlisted companies in the US and Japan. Also a California-licensed CPA.

  • Board of Director

    Masayuki Tsuneki

    Worked at Niigata University, Yale University, and National Cancer Center as a pathology researcher, a pathologist, and an academic teacher. Throughout his career, Masayuki had been working on research on molecular pathology, particularly related to carcinogenesis. He is eager to create a new technology that can provide an objective diagnosis in the field of clinical pathology. With his professional knowledge of human pathology, Masayuki has strength in international academic researches.

  • AI Engineer

    Fahdi Kanavati

  • AI Engineer

    Kengo Tateishi

  • Software Engineer

    Michael Rambeau

  • Software Engineer

    Adam Millerchip

  • Software Engineer

    Morrison Cole

  • Head of Corporate Growth

    Yoshiya Saito

  • People Operations

    Naoko Kajio

  • People Operations

    Eriko Matsufuji

  • Accountant

    Junko Kaneda

  • Exective Assistant

    Sayaka Iizuka

  • Head of IC

    Kosuke Saigusa

  • Head of Sales

    Ryuta Murakami

  • Sales Representative

    Takahiro Yamazaki

  • Sales Representative

    Leona Shinkai

  • Sales Representative

    Yuki Yoshida

  • Associate

    Seirin Ri

  • Associate

    Melinda Au

  • Chief/Legal & Regulatory

    Ryunosuke Iwakawa

  • Chief / Researcher

    Kei Kato

  • And more...


Company name Medmain Inc.
Head Office [ Fukuoka ]
104,2-4-5 Akasaka Chuo-ku Fukuoka, 810-0042 Japan
[ Tokyo ] Aoyama Building 2F, 2-10-11 Minami Aoyama, Minato-ku,Tokyo,Japan
[ US ] Medmain USA Inc.
CEO Osamu Iizuka
Date founded Jan 11th 2018
Capital JPY 112,000,000
(Capital reserve included)
Main business activities Planning, development,operation and sales of medical software products, cloud service