Makoto joined Mitsubishi Corporation in 1988, where he engaged in energy and industrial infrastructure development (petroleum, chemicals, natural gas, steel, transportation systems, green energy transition, etc.) worldwide in the business development and corporate staff departments. Overseas, he was seconded to a new business development joint venture with a US engineering company, served as manager of the machinery department of the Houston branch in the US, and served as the head of all company offices in New Delhi, among other roles, where he developed infrastructure projects that contribute to energy security in Japan and the Asia-Pacific region, among other projects. At Space BD he works to create new value in the space business as a part of the future creation office, and contributes to the expansion of the new space industry out of Japan.