Mr. Tokuhisa worked with the Japan Bank for International Cooperation (JBIC - former Export-Import Bank of Japan) for 30 years and provided various types of financing to overseas projects including project financing to various mining and oil/gas development projects, one of which was the US$1billion limited recourse finance for the development of the Batu Hijau Copper-Gold Project in Indonesia sponsored by Newmont and Sumitomo Corporation. After leaving JBIC as Resident Executive Director for the Americas in 2006, he became involved and led the financing and M&A activities in various mining projects in which Sumitomo Corporation participated for fifteen years, including the management and government relations of the Batu-Hijau Project and subsequent sale of its total interest to a local investor, acquisition of an interest in the Yanacocha Gold Project in Peru, and the US$2.5billion limited recourse finance for the development of Quebrada Blanca Copper Project in Chile. He served as an Independent member of the Board of Directors of Mitsui E&S Holdings Co., Ltd. (formerly Mitsui Engineering & Shipbuilding Co., Ltd.) from 2013 to 2020 and supervised the activities of its executive officers and board of directors to improve corporate governance and increase corporate value.