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$1B limited recourse finance for the development of the Batu Hijau Copper-Gold Project in Indonesia sponsored by Newmont Mining Corp 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. These included: the management and government relations of the Batu-Hijau Project and subsequent sale of its total interest to a local investor; the acquisition of an interest in the Yanacocha Gold Project in Peru; and the US$2.5 billion 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.