Interstellar appoints Satoshi Nakayama as Representative Director and President in New Co-Representative Leadership Structure

• Satoshi Nakayama, currently Director and Vice President of Launch Vehicle, has been appointed as Representative Director and President, effective February 1, 2026.
• Nakayama will serve as a Representative Director alongside Takahiro Inagawa, Representative Director and CEO, in a new co-representative leadership structure.

Interstellar Technologies (“Interstellar”), a leading space infrastructure company, announces the appointment of Satoshi Nakayama, currently Director and Vice President of Launch Vehicle, as Representative Director and President, effective February 1, 2026. Nakayama will serve as a Representative Director alongside Takahiro Inagawa, Representative Director and CEO, in a new co-representative leadership structure.

As a leading private space transportation company in Japan, Interstellar is working to realize the country’s first vertically integrated business combining launch vehicle services and satellite communications. With the development of the orbital launch vehicle ZERO’s first flight reaching a critical phase, the company must focus simultaneously in accelerating preparations for commercialization. By appointing Nakayama, who has spearheaded rocket development since 2021, the company is transitioning to a management structure that clarifies the responsibilities of the launch vehicle and satellite businesses facilitating faster decision-making. Through this change, Interstellar will strive even further toward the realization of its mission: “Empowering Society Through Space Infrastructure”.

Comment from Takahiro Inagawa, Representative Director and CEO

“To realize our mission of ‘Empowering Society Through Space Infrastructure,’ we have decided to transition to this co-representative structure with Satoshi Nakayama to build a more robust management foundation. I will continue to serve as Representative Director and CEO, focusing on the vertical integration of our rocket and satellite businesses and steering the company following one of the company’s values ‘Focus on the Bigger Picture’.  Under this new leadership, the entire Interstellar Technologies team will continue to move forward as one.”

Comment from Satoshi Nakayama, Representative Director and President

“Since joining the company in 2021, I have worked side-by-side with our team, overcoming the immense challenges of  launch vehicle development one by one. In assuming this new role, I intend to leverage my expertise in government-operated vehicle development and organizational management to create a structure where management and execution are seamlessly linked. Through swift decision-making, I will bring the technical prowess and passion of our team together to accelerate our launch vehicle commercialization and meet the expectations of all our stakeholders.”

Satoshi Nakayama’s Profile

After completing graduate school, Nakayama joined Mitsubishi Precision  where he spent 12 years developing onboard equipment for rockets and satellites. He served as Project Manager for the development of navigation sensors used in Japan’s major launch vehicles, including Government-operated rockets. In January 2021, he joined Interstellar Technologies, where he oversaw avionics development, reliability engineering, and quality assurance. He was appointed General Manager of the Development Department in September of the same year. In May 2024, he became Director and VP of Launch Vehicle, leading all rocket development, and assumed the role of Representative Director and President in February 2026.