Bringing Private Sector Experience to Bear on Development
Tsutomu Yamamoto takes the helm at MIGA at a critical juncture.
Highlights
Yamamoto’s arrival marks the next phase in the WBG’s efforts to scale up guarantees to mobilize private capital for development
Yamamoto brings more than three decades of international banking experience to MIGA
He sees the One World Bank Group strategy as a huge opportunity
This week Tsutomu Yamamoto became the new Managing Director of MIGA, succeeding Hiroshi Matano.
Yamamoto arrives at a critical juncture for MIGA and the World Bank, as this leadership transition at the Agency marks the next phase in the World Bank Group’s efforts to scale up guarantees as a core instrument for mobilizing private capital in developing countries.
That begins with the WBG’s Guarantee Platform. Initiated in June 2024, the Platform consolidates guarantee products and experts from across the Bank at MIGA. It provides a simplified and comprehensive menu of guarantee solutions that enable clients to select the instruments that best suit their needs, and it streamlines processes, removes redundancies, and provides greater accessibility by de-risking investments in developing countries.
The goal for the Platform – which World Bank President Ajay Banga announced at its launch 18 months ago – is to boost the World Bank Group’s annual guarantee issuance to $20 billion by 2030. Issuance through the Platform grew robustly under Hiroshi Matano, reaching $12.3 billion in fiscal year 2025, $9.5 billion of which was in MIGA guarantees.
But there is much work to be done to reach the 2030 goal.
That’s where Yamamoto, who will oversee the World Bank Group Guarantee Platform in addition to his top leadership role at MIGA, comes in.
Three Decades of Investment Experience
A Japanese national, Yamamoto arrives at MIGA with 35 years of experience in international banking and finance in both developing and advanced markets with Mizuho Bank, a global financial and investment firm. He most recently served as Senior Managing Executive Officer and Head of Global Transaction Banking at Mizuho Financial Group, helping to lead operations in the Americas, Asia, and Europe and overseeing a portfolio focused on cross‑border investment, risk mitigation, and trade finance – skills and experience tailor made for this moment in development.
Yamamoto also has extensive experience in building relationships with key stakeholders and leading complex global projects. Notably, he partnered with Japan International Cooperation Agency on the co-financing of infrastructure projects in emerging markets. He also led an expansion of financial services in India and promoted the digitalization of electronic bank guarantees. His deep expertise in cross-border investment, risk mitigation, and private sector financing uniquely positions him to lead MIGA and further strengthen the Guarantee Platform, a cornerstone of the World Bank Group’s evolution agenda.
A Career Turning Point
After a 35-year career at Mizuho, Yamamoto was looking for a change. “I seriously thought about what I should do for the rest of my life, the rest of my career,” he says. “And a clear message came to me, which is that I really would like to become of help of others who are in need of support, especially those who are in a difficult situation irrespective of their efforts.”
Yamamoto says his global experience in both advanced and developing economies taught him that people cannot always choose their circumstances and often require assistance to better their lives. That realization is what drew him to MIGA and to the World Bank Group's mission.
The One Bank Mindset
The evolving One World Bank Group strategy is nothing new to Yamamoto. Mizuho was created via a 2000 merger between three major Japanese banks. For years the entities operated independently until leadership realized what clients had known all along: they didn't care which door they walked through. They just wanted solutions.
"By combining strengths together, we can resolve clients' issues in a much better way," Yamamoto explains. That "One Bank" thinking became so embedded at Mizuho that they eventually stopped emphasizing it because it was simply how they worked.
He sees the same opportunity at the World Bank Group. With clients eager to deepen relationships across the institution, why limit activities to any single entity? "It makes more sense to widen the relationship," he says. "And MIGA can be of help to other institutions within the group which is very, very important."
His track record speaks to this collaborative instinct. Whether architecting fintech partnerships, negotiating correspondent banking networks, or co-financing with development agencies like JICA, Yamamoto has consistently built platforms that multiply impact through partnership.
Passing the Torch
This leadership transition from Hiroshi Matano to Yamamoto will ensure continuity of MIGA’s mission and alignment with the World Bank Group’s strategic priorities. MIGA is committed to supporting sustainable development by leveraging private capital to address global challenges – from climate change to fragility – while creating opportunities for communities around the world.
As MIGA bids farewell to Hiroshi Matano, whose visionary leadership has left an enduring legacy, the organization looks ahead with confidence to a new era under Tsutomu Yamamoto’s guidance.
For more information about the guarantee platform, please visit: https://www.worldbank.org/wbgguarantees.
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