After earning a master’s degree in Architecture from the University of Tokyo, Hideaki launched his career at McKinsey & Company. He later joined Rakuten, Inc., where he gained extensive expertise in sales, e-commerce, M&A, and group-wide strategy. In 2015, he became a Director at Lancers, overseeing corporate strategy, finance, M&A, alliance, business development, public relations, human resources, etc. In 2024, Hideaki joined HERALBONY and became Chief Operating Officer (COO).