Keiji Atsuta graduated from Kyushu University with a degree in Aerospace Engineering. He began his career at Mitsubishi Corporation, where he managed overseas sales and business investments within the automotive industry, including a cross-border assignment to a subsidiary where he led corporate planning and strategy development.
He later joined Frontier Management, focusing on the formulation and implementation of medium- to long-term corporate strategies for small and medium-sized enterprises.
He joined Interstellar Technologies in January 2022, overseeing business development, corporate planning, public relations, and marketing. He was appointed Chief Operating Officer (COO) in May 2024.