Mr. Mizuno is a globally recognized financial executive and a leading advocate for sustainable investment. As Founder and CEO of Good Steward Partners, LLC, he continues to promote responsible financial practices and long-term value creation across markets and sectors. He currently serves as Special Advisor to Taskforce on Nature-related Financial Disclosures (TNFD), Independent Board Member of LiveWire Group Inc., and Mission Committee Member at Danone S.A.
Previously, Hiro served as Special Envoy of the UN Secretary-General on Innovative Finance and Sustainable Investment, Special Advisor to CEO of MSCI Inc., Board Member of Tesla, Inc., Executive Managing Director and CIO of Japan’s Government Pension Investment Fund (GPIF).
Earlier in his career, Hiro held leadership roles in private equity and banking, including as Partner at Coller Capital in London and in various international positions at Sumitomo Trust & Banking Co., Ltd., working across Japan, Silicon Valley, and New York.
Beyond his executive roles, Hiro remains deeply engaged in global initiatives focused on climate change, biodiversity, and financial innovation working closely with leading institutions to drive systemic change in capital markets and advance sustainability goals.
Hiro also contributes actively to academia as Executive Fellow at Harvard Business School, Executive in Residence at Oxford Saïd Business School etc.