Mr. Toshihiro Miyakoshi
- Chief Executive Officer / Chairman of the Management Committee
Date of Appointment
1 April 2026
Education / Training
Education
- Master of Iron and Steel Metallurgy, Kyushu University
- Bachelor of Iron and Steel Metallurgy, Kyushu University
None
Positions in other listed companies
| April 2026 to Present | Chief Executive Officer and Chairman of the Management Committee, G J Steel Public Company Limited |
| November 2025 to Present | Executive Counselor, NIPPON STEEL CORPORATION (listed company in Japan) |
| April 2022 to June 2022 | Advisor, NIPPON STEEL CORPORATION (listed company in Japan) |
| April 2020 to April 2022 | Deputy General Superintendent / Yawata Area of Kyusyu Works, NIPPON STEEL CORPORATION (listed company in Japan) |
Positions in other non-listed companies
| June 2022 to November 2025 | Vice-President, Usina Siderurgica de Minas Gerais S.A(Usiminas) |