Shintaro joined Hitachi, Ltd., contributing to the launch of the sustainability-focused Digital Smart City business, and later spearheaded its expansion into the Thai market at Hitachi Asia (Thailand). After serving as a director for a local venture in Thailand, he joined Zeroboard. He successfully led the establishment of the ASEAN subsidiary and currently serves as the Managing Director, overseeing business expansion and organizational operations across Thailand and the ASEAN region.