Hiroyuki joined JNOC, the predecessor organization of JOGMEC, and has been actively engaged in providing financial support to Japanese companies involved in the resource development industry for over 30 years. His expertise lies in corporate and project valuation, as well as project risk management. Throughout his career, he has been involved in numerous LNG and energy and power projects undertaken by Japanese companies and JOGMEC. During his tenure, he had assignments with the Japan Bank for International Cooperation and Sakhalin Oil and Gas Development Company (SODECO, seconded to Exxon Neftegaz Limited in Houston, Texas), gaining practical experience in finance and project management. He currently serves as the Executive Vice President, Member of the Board, overseeing its Energy Business Unit, actively promoting business development in these new sectors in collaboration with Japanese policy authorities and industry stakeholders. In November 2024, he was selected as one of the "TIME 100 Climate 2024" by TIME magazine. In pursuit of enhancing his risk management knowledge, he obtained the qualification of a Certified Internal Auditor, he majored in sociology at Keio University in Japan and earned a master's degree in business administration from Boston University in Massachusetts, specializing in finance and entrepreneurship.