Joined Mitsubishi Corporation, Energy Business Group in 1980 where he was engaged in retail business of petroleum products, including wholesale to gas stations in Japan, then in global marketing of carbon materials with over 70 countries.
He was then assigned, in 1994, to Mitsubishi International Corporation, New York, for almost 6 years, and during this term, he was involved in the antitrust trial, U.S. vs. Ucar International, to negotiate with the Department of Justice, and took the stand in the grand-jury and the federal court in Philadelphia to defend Mitsubishi Corporation.
Back to Tokyo in 2000, he supervised variety of investment businesses in Japan and overseas, including the U.S., Mainland-China, and South Korea, then appointed as Chief HR Officer of the Group, and further assigned to a member of the Advisory board of Investment & Credit Committee of the Company to actively participate in decision-making process of every investment business and project of the Company.
In 2012, he was named as Executive Officer in charge of E&P business of worldwide petroleum and natural gas, then in 2015, he took office as president of Chubu office, covering central regions of Japan, to promote various projects of MRJ (Mitsubishi Regional Jet) and many others.
And in 2017, he was assigned to standing Advisor to the Energy Business Group.
In October, 2018 to date, he has served CEO of Dainichi Concrete Company, cum Group COO of Dainichi group of companies.