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People / Tatsumasa Koson
TK
Career profile

Tatsumasa Koson

Client Account Manager at Twitter

Tokyo, Tokyo, Japan

Career path.

  1. Twitter

    Client Account Manager

    Oct 2022 - Present
  2. I&S BBDO

    Planning Manager

    Mar 2016 - Oct 2022
  3. Opt Inc.

    Digital Media Planner

    Apr 2012 - Feb 2016