Mizuho Financial Group Japan Executive and Leadership Team

November, 2026

Leadership Overview

Mizuho Financial Group Japan has 10 executives leading key functions including banking operations, trust services, securities trading, and information technology.

Committed to delivering comprehensive financial solutions, Mizuho Financial Group Japan drives global economic stability through integrated banking, trust, and securities services across diverse international markets.

Leadership Roles at Mizuho Financial Group Japan

  • Chief Operating Officer, Ex (Asia) & Managing Director (Japan) - Ashwin Chak
  • Managing Director, Chief Information Officer, Asia ex-Japan At Mizuho Securities - Ed Bharucha
  • Managing Director - Shar Aghili
  • Managing Director - Alvaro Patron
  • Managing Director - Matlock Schlumberger
  • Managing Director - David Toledano
  • Managing Director - Peter Klein
  • Managing Director - Gerard Lang
  • Managing Director - Takenobu Ishii
  • Managing Director - Jessica Zimmel
  • Ashwin Chak - Chief Operating Officer, Ex (Asia) & Managing Director (Japan)

    Ashwin Chak, the Chief Operating Officer, Ex (Asia) & Managing Director (Japan) at Mizuho Financial Group Japan, directs the internal operational infrastructure across the Asian markets. Chak oversees the integration of business processes to ensure seamless service delivery across the regional offices. By managing the administrative and operational workflows, the Chief Operating Officer, Ex (Asia) & Managing Director (Japan) drives efficiency in the daily execution of banking services. This role involves coordinating with the Board to implement corporate policies that enhance organizational productivity. Ashwin Chak monitors the performance of regional operations to identify areas for process improvement. Through the optimization of internal resources, the Managing Director (Japan) supports the growth of the firm in the competitive Asian landscape. The focus remains on maintaining operational resilience while scaling the business to meet the increasing demands of the regional market.
    Ashwin Chak

    Ed Bharucha - Managing Director, Chief Information Officer, Asia ex-Japan At Mizuho Securities

    Ed Bharucha, the Managing Director, Chief Information Officer, Asia ex-Japan At Mizuho Securities at Mizuho Financial Group Japan, architects the digital infrastructure for the securities division. Bharucha directs the implementation of secure cloud-based systems to support high-frequency trading and data analytics. By managing the cybersecurity protocols, the Managing Director, Chief Information Officer, Asia ex-Japan At Mizuho Securities ensures the protection of sensitive financial data across the Asian operations. This role involves coordinating with the technology teams to deploy innovative software solutions that enhance trading speed and accuracy. Ed Bharucha monitors the performance of the IT infrastructure to prevent system downtime. Through the modernization of the technological stack, the Chief Information Officer drives the digital transformation of the firm. The focus remains on leveraging advanced technology to maintain a competitive edge in the rapidly evolving securities market.
    Ed Bharucha

    Shar Aghili - Managing Director

    Shar Aghili, the Managing Director at Mizuho Financial Group Japan, directs strategic initiatives within the corporate banking division. Aghili oversees large-scale client portfolios, ensuring alignment with the broader financial objectives of the organization. By managing complex credit structures and risk assessment protocols, the Managing Director maintains high standards of operational excellence. This leadership role involves coordinating with international banking teams to facilitate cross-border transactions. Shar Aghili actively monitors market fluctuations to protect institutional assets. Through rigorous analysis of corporate financial health, the Managing Director supports sustainable growth across the Japanese market. The focus remains on optimizing capital allocation while adhering to strict regulatory compliance frameworks. Ultimately, Aghili secures long-term value for stakeholders by fostering robust relationships with major public sector entities and private corporations.

    Alvaro Patron - Managing Director

    Alvaro Patron, the Managing Director at Mizuho Financial Group Japan, leads the trust banking segment with a focus on pension and asset management. Patron manages the development of sophisticated financial products designed for institutional investors. Overseeing the securitization and structured finance departments, the Managing Director ensures that all investment vehicles meet rigorous performance benchmarks. This role requires constant interaction with pension fund managers to tailor asset allocation strategies. Alvaro Patron drives innovation in real estate investment trusts, expanding the reach of the firm into new property markets. By streamlining stock transfer agency services, the Managing Director enhances operational efficiency for corporate clients. Patron maintains a deep commitment to fiduciary responsibility, ensuring that every financial instrument aligns with the long-term goals of the client base while upholding the reputation of the firm.

    Matlock Schlumberger - Managing Director

    Matlock Schlumberger, the Managing Director at Mizuho Financial Group Japan, architects the expansion of securities services for individual and corporate clients. Schlumberger directs the trading desk operations, focusing on liquidity management and market execution. By analyzing global equity trends, the Managing Director provides actionable insights to the investment banking teams. This leadership position involves managing the interface between retail brokerage services and institutional trading platforms. Matlock Schlumberger optimizes the execution of complex financial trades, ensuring minimal slippage and maximum efficiency for the client base. The Managing Director coordinates with the public sector entities to facilitate large-scale capital raises. Through the implementation of advanced trading algorithms, Schlumberger enhances the competitive positioning of the firm within the securities market. The focus remains on delivering superior financial outcomes through precise market timing and strategic asset placement.

    David Toledano - Managing Director

    David Toledano, the Managing Director at Mizuho Financial Group Japan, oversees the international banking division with a focus on EMEA expansion. Toledano directs the cross-border financial services, ensuring that corporate clients receive seamless support across multiple jurisdictions. By managing the integration of global banking platforms, the Managing Director facilitates efficient capital flow for multinational enterprises. This role involves coordinating with regional heads to align local operations with the overarching corporate strategy. David Toledano monitors geopolitical risks that impact international trade finance, implementing mitigation strategies to protect institutional interests. The Managing Director drives the development of trade finance products that cater to the specific needs of global corporations. Through the optimization of international payment systems, Toledano enhances the operational scale of the firm. The focus remains on maintaining a strong presence in key global financial hubs.

    Peter Klein - Managing Director

    Peter Klein, the Managing Director at Mizuho Financial Group Japan, leads the public sector banking initiatives. Klein directs the financial advisory services provided to government entities and public institutions. By managing the issuance of municipal bonds and public infrastructure financing, the Managing Director supports the development of essential economic projects. This role requires close collaboration with regulatory bodies to ensure full compliance with public finance laws. Peter Klein oversees the structuring of complex loans for large-scale public works, ensuring that the firm provides competitive terms. The Managing Director monitors the fiscal health of public sector clients to manage credit risk effectively. Through the provision of specialized banking services, Klein strengthens the partnership between the firm and the public sector. The focus remains on delivering stable financial solutions that contribute to the broader economic growth of the region.

    Gerard Lang - Managing Director

    Gerard Lang, the Managing Director at Mizuho Financial Group Japan, manages the retail banking segment with a focus on personal financial services. Lang directs the development of consumer-facing products, including mortgage lending and personal savings accounts. By overseeing the digital transformation of retail banking channels, the Managing Director enhances the customer experience. This role involves coordinating with branch managers to ensure consistent service delivery across the network. Gerard Lang monitors consumer spending patterns to tailor financial products that meet the evolving needs of the retail market. The Managing Director drives the implementation of automated banking solutions to increase operational efficiency. Through the optimization of the retail loan portfolio, Lang ensures that the firm maintains a healthy balance between risk and return. The focus remains on building long-term loyalty with individual clients through reliable and accessible financial services.

    Takenobu Ishii - Managing Director

    Takenobu Ishii, the Managing Director at Mizuho Financial Group Japan, oversees the corporate banking division for large-scale enterprises. Ishii directs the provision of comprehensive financial services, including syndicated loans and corporate restructuring advisory. By managing the relationship with major industrial conglomerates, the Managing Director ensures that the firm remains the primary financial partner for these entities. This role involves coordinating with the investment banking team to facilitate mergers and acquisitions. Takenobu Ishii monitors the financial performance of corporate clients to identify opportunities for capital expansion. The Managing Director drives the development of customized financial solutions that address the unique challenges of large-scale operations. Through the management of complex credit facilities, Ishii supports the long-term strategic goals of the corporate client base. The focus remains on maintaining a dominant market position through superior service and financial expertise.

    Jessica Zimmel - Managing Director

    Jessica Zimmel, the Managing Director at Mizuho Financial Group Japan, leads the trading and market operations division. Zimmel directs the daily activities of the trading floor, focusing on currency exchange and interest rate derivatives. By managing the firm's proprietary trading positions, the Managing Director optimizes the balance sheet for maximum profitability. This role requires constant monitoring of global market volatility to adjust trading strategies in real-time. Jessica Zimmel coordinates with the risk management department to ensure that all trading activities remain within established risk appetite limits. The Managing Director drives the development of new hedging instruments that protect the firm against market downturns. Through the precise execution of high-volume trades, Zimmel enhances the liquidity of the firm's assets. The focus remains on achieving consistent returns in a highly competitive and fast-paced financial environment.

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    Frequently Asked Questions Regarding Mizuho Financial Group Japan Top Executives and Leadership Team

    Who leads Mizuho Financial Group Japan?
    Mizuho Financial Group Japan is led by Ashwin Chak (Chief Operating Officer, Ex (Asia) & Managing Director (Japan)), along with executives such as Ed Bharucha (Managing Director, Chief Information Officer, Asia ex-Japan At Mizuho Securities) and Shar Aghili (Managing Director).
    Who is part of Mizuho Financial Group Japan’s executive team?
    The executive team of Mizuho Financial Group Japan includes leaders such as Ashwin Chak (Chief Operating Officer, Ex (Asia) & Managing Director (Japan)), Ed Bharucha (Managing Director, Chief Information Officer, Asia ex-Japan At Mizuho Securities), Shar Aghili (Managing Director) and other senior executives.
    How many executives does Mizuho Financial Group Japan have?
    Mizuho Financial Group Japan has 10 executives leading key business areas.
    What roles are included in Mizuho Financial Group Japan’s leadership team?
    The leadership team of Mizuho Financial Group Japan includes roles such as Chief Operating Officer, Ex (Asia) & Managing Director (Japan), Managing Director, Chief Information Officer, Asia ex-Japan At Mizuho Securities, Managing Director, Managing Director, Managing Director.