, was a central banker in the Empire of Japan, serving as the 15th Governor of the Bank of Japan and twice as a cabinet minister. Biography Yūki was born in the onsen resort of Akayu in what is now part of Nan'yō, Yamagata Prefecture, where his father was a sake brewer. After graduating from Tokyo Imperial University with a degree in political science, he obtained a position at the Bank of Japan from January 1904. Yūki was promoted rapidly, serving as auditor in the bank's New York City branch, branch manager in Kyoto, Corporate Secretary, and branch manager in Osaka. In 1918, at the recommendation of Junnosuke Inoue, Yūki was appointed to the Board of Directors, while still maintaining his post as Osaka branch manager. However, following the assassination of Yasuda Zenjirō, Yūki left the Bank of Japan to join the Board of Directors for the Yasuda zaibatsu in November 1921, and was appointed Managing Director of Yasuda Bank the same year. As head of Yasuda Bank, Yūki was a member of a committee which drafted "Definite Policies for the Improvement of the Ordinary Banking System in Our Country in 1926. The report identified a range of significant issues: Ordinary banks in our country have frequently conducted their business badly. There has been excessive competition among too many small banks with slender means; bankers have been ignorant of the need for reserves to back deposit withdrawals and generally ill-informed about the working of deposit banking; there has been over enthusiastic lending of bank resources in either particular or long-term outlets against securities of real estates in favour of related businesses; there has been serious negligence in establishing a thorough audit system both inside and outside the banks. The need to address the problems identified in this proposal generally acknowledged. The report was the genesis of a process which led to the Bank Act of 1927. In March 1929, Yūki left for a tour of Europe. On his return, he established a committee to find was for the Yasuda zaibatsu to weather the Great Depression. From September 1930, Yūki was head of the Industrial Bank of Japan. Yūki was subsequently elected head of the Japan Chamber of Commerce and Industry in January 1937. In February 1937, he was appointed Minister of Finance in the Hayashi administration, serving to June 1937. The concurrently also held the portfolio of Minister of Colonial