After graduating from the University of Tokyo with a degree in Engineering, Koji began his career at NHK (Japan Broadcasting Corporation), where he worked as a TV program director and was also involved in the development of digital services. He later served as a Visiting Scientist at the MIT Media Lab in the United States and went on to build a social media marketing team at Amazon Prime Video, before leading domestic and international marketing at a SaaS startup. Koji joined GESHER Inc. in May 2025 as Head of Corporate Marketing and was appointed Executive Officer and COO in March 2026. He also teaches strategy and marketing at GLOBIS and serves as Vice President of the International Youth Exchange Organization of Japan. He holds a Master’s degree in International Business Administration from the University of Tsukuba.