As Executive Vice President and Chief Operating Officer, Taishi Ezaki drives strategic growth at Japan Space Imaging Corporation (JSI) – a Japan's biggest satellite imagery reseller headquartered in Tokyo that has served Japan's intelligence community to grow and expand ever since the satellite technology was commercialized back in 1990's. In this role, Taishi leads the company's growth strategy and marketing execution for JSI's various satellite programs in Japan, focusing on expanding the company's capabilities and business opportunities in line with evolving customer needs.

Prior to joining JSI, Taishi held senior business development roles at Mitsubishi Corporation, a Japan's largest trading and investment company, specializing in national security business domain, specifically for missile defense and naval surface programs where he worked with major US defense contractors to shape and support developing requirements for Japan Ministry of Defense. Originally from Tokyo, Japan, Taishi holds an MA in Economics from University of Tokyo and a BS in National Security and Resource Strategy from Eisenhower School at National Defense University in Ft. McNair in Washington DC.