Miyoshi Toshiyuki was appointed Vice Commissioner for International Affairs of the Financial Services Agency (FSA), Japan’s financial regulatory body, on 4 July 2023. He currently heads the FSA’s international affairs group and represents the FSA at working-level meetings of the G20 and G7. He is also the FSA’s alternate member of the Standing Committee on Supervisory and Regulatory Cooperation of the Financial Stability Board (FSB).

Prior to the current position, Mr. Miyoshi was Deputy Director-General of the Supervision Bureau from June 2022 to July 2023 and worked on supervision of Japan’s major banks and insurance companies, and branches and subsidiaries of foreign banks and insurance companies in Japan. He was Deputy Commissioner for International Affairs from July 2020 to June 2022, working on the FSB and financial sector issues at the G20 and G7.

Before moving to the FSA, Mr. Miyoshi was division director at Japan’s Ministry of Finance (MOF) from July 2014 to July 2020. He played a central role in developing the G20 Principles for Quality Infrastructure Investment and the debt sustainability agenda under Japan's G20 Presidency in 2019. From June 2016 to July 2018, Mr. Miyoshi was responsible for organising the MOF's work on G20, G7 and IMF issues. He also worked on government debt management in 2014-16.

A Japanese national, Mr. Miyoshi got Bachelor’s degree in public law at the University of Tokyo and Master of Philosophy in Politics at the University of Oxford.