Westpac Executive and Leadership Team

July, 2026

Leadership Overview

Westpac has 10 executives leading key functions including strategy, institutional banking, technology, operations, and human resources.

Driven by a commitment to financial excellence, Westpac provides comprehensive banking services, fostering growth and stability for clients across Australia, New Zealand, and international markets.

Leadership Roles at Westpac

  • Chief Executive Officer & Managing Director - Anthony Miller
  • Chief Executive Officer, Westpac Institutional Bank - Nell Hutton
  • Head Chief Operating Officer, Operations Effectiveness SME & Small Business - Tiraan Seneviratne
  • Executive Manager (Projects) & Chief Operating Officer, Consumer Office - Alla Ward
  • Chief of Staff - Julia Rogers
  • Head of Technology, International Chief Information Officer & Chief Information Security Officer (Singapore) - Andrew Mulligan
  • Group Chief Information Officer, Business Units - Miranda Ratajski
  • Head Chief Technology Officer, Human Resources, Mortgages, Bcm & , Consumer & Business Banking - Kendall Silverton
  • Manager - Chief Information Officer Office - Jane Jung
  • Chief of Staff & Director, People - Amna Bahry
  • Anthony Miller - Chief Executive Officer & Managing Director

    Anthony Miller, the Chief Executive Officer & Managing Director at Westpac, directs the overarching strategy and operational execution for the multinational bank. Miller's leadership guides the provision of essential financial services, including deposits, lending, and payments, to a diverse client base spanning households, businesses, and institutional entities. This executive oversees the bank's presence and service delivery across Australia, New Zealand, and key international markets, ensuring alignment with corporate objectives and market demands. The role involves significant engagement with the board and key stakeholders to drive sustainable growth and maintain Westpac's competitive position in the global financial landscape. Anthony Miller's strategic vision is central to navigating complex market dynamics and fostering innovation within the organization. By championing a culture of accountability and performance, Miller ensures the bank's continued success and its commitment to serving its customers effectively.
    Anthony Miller

    Nell Hutton - Chief Executive Officer, Westpac Institutional Bank

    Nell Hutton, the Chief Executive Officer, Westpac Institutional Bank at Westpac, spearheads the strategic direction and operational management of the institutional banking division. Hutton's responsibilities encompass delivering sophisticated financial solutions, including complex lending, risk management, and capital markets services, to large corporate and institutional clients. This leadership position involves driving revenue growth and market share within the institutional segment across Australia, New Zealand, and international financial centers. The role requires close collaboration with global teams to ensure seamless service delivery and product innovation tailored to institutional needs. Nell Hutton focuses on strengthening client relationships and expanding the bank's capabilities in areas such as trade finance and treasury services. By optimizing operational efficiency and risk frameworks, Hutton ensures the institutional bank's robust performance and its contribution to Westpac's overall financial health and market standing.
    Nell Hutton

    Tiraan Seneviratne - Head Chief Operating Officer, Operations Effectiveness SME & Small Business

    Tiraan Seneviratne, the Head Chief Operating Officer, Operations Effectiveness SME & Small Business at Westpac, directs operational strategies and execution for small and medium-sized enterprises (SMEs) and small business segments. Seneviratne focuses on enhancing operational efficiency, streamlining processes, and ensuring the effective delivery of banking services to these crucial client groups. This executive oversees initiatives aimed at improving customer experience, managing risk, and driving growth within the SME and small business portfolios. Tiraan Seneviratne is committed to optimizing operational frameworks to support the unique needs of small businesses, fostering their success through tailored financial solutions and dedicated support. By championing operational excellence, Seneviratne ensures that Westpac remains a trusted partner for SMEs across its markets.

    Alla Ward - Executive Manager (Projects) & Chief Operating Officer, Consumer Office

    Alla Ward, the Executive Manager (Projects) & Chief Operating Officer, Consumer Office at Westpac, manages strategic projects and oversees operational functions within the consumer banking division. Ward's responsibilities include driving the successful completion of key initiatives that enhance customer experience, improve operational efficiency, and support business growth in the consumer segment. This executive leads the operational framework for the consumer office, ensuring seamless service delivery and effective resource management. Alla Ward focuses on implementing innovative solutions and best practices to optimize processes and achieve strategic objectives. By directing project execution and operational oversight, Ward plays a pivotal role in strengthening Westpac's consumer banking offerings and maintaining its market leadership.

    Julia Rogers - Chief of Staff

    Julia Rogers, the Chief of Staff at Westpac, provides critical strategic support and operational coordination across key executive functions. Rogers manages the flow of information and strategic initiatives between the executive leadership team and various business units, ensuring alignment with Westpac's overarching mission. This role involves facilitating high-level decision-making processes, overseeing special projects, and driving the implementation of strategic priorities. Julia Rogers works closely with department heads to enhance operational efficiency and streamline cross-functional collaboration. The position requires a deep understanding of the bank's operations, market dynamics, and strategic objectives to effectively support the executive team. By ensuring effective communication and execution of strategic plans, Rogers contributes significantly to the bank's performance and its ability to adapt to evolving market conditions.

    Andrew Mulligan - Head of Technology, International Chief Information Officer & Chief Information Security Officer (Singapore)

    Andrew Mulligan, the Head of Technology, International Chief Information Officer & Chief Information Security Officer (Singapore) at Westpac, directs technology strategy, information systems, and cybersecurity for international operations. Mulligan's leadership ensures the robust and secure functioning of technology infrastructure across Westpac's global footprint, with a specific focus on the Singaporean market. This executive oversees the development and implementation of innovative technology solutions that support business objectives and enhance operational efficiency. Andrew Mulligan is responsible for safeguarding sensitive data and systems against cyber threats, maintaining compliance with international regulations, and driving digital transformation initiatives. The role demands a proactive approach to risk management and a commitment to leveraging technology for competitive advantage. By ensuring technological resilience and security, Mulligan plays a vital role in Westpac's international expansion and operational integrity.
    Andrew Mulligan

    Miranda Ratajski - Group Chief Information Officer, Business Units

    Miranda Ratajski, the Group Chief Information Officer, Business Units at Westpac, leads the technology strategy and execution for the bank's core business units. Ratajski oversees the development, deployment, and management of information technology systems that support retail banking, wealth management, and other key operational areas. This executive is responsible for ensuring that technology solutions align with business needs, drive efficiency, and enhance customer experience across Australia and New Zealand. Miranda Ratajski focuses on modernizing IT infrastructure, implementing digital solutions, and fostering innovation within the technology function. The role requires close collaboration with business leaders to translate strategic goals into actionable technology roadmaps. By optimizing technology investments and operations, Ratajski ensures that Westpac's business units remain competitive and agile in a rapidly evolving financial services landscape.

    Kendall Silverton - Head Chief Technology Officer, Human Resources, Mortgages, Bcm & , Consumer & Business Banking

    Kendall Silverton, the Head Chief Technology Officer, Human Resources, Mortgages, Bcm & , Consumer & Business Banking at Westpac, drives technology initiatives across critical functional areas. Silverton's purview includes overseeing technology solutions for human resources, mortgage services, business continuity management, and both consumer and business banking operations. This executive is tasked with developing and implementing technology strategies that enhance operational effectiveness, streamline processes, and support strategic growth within these diverse business segments. Kendall Silverton focuses on leveraging technology to improve employee experience, optimize mortgage processing, ensure business resilience, and deliver superior digital services to customers. The role requires a deep understanding of the unique technology needs of each functional area and a commitment to driving innovation and efficiency through robust IT solutions.

    Jane Jung - Manager - Chief Information Officer Office

    Jane Jung, the Manager - Chief Information Officer Office at Westpac, provides essential support and coordination for the Chief Information Officer's strategic and operational functions. Jung manages key administrative processes, facilitates communication within the IT leadership team, and supports the execution of technology strategies across the organization. This role involves coordinating projects, managing resources, and ensuring the smooth operation of the CIO's office to enable effective technology governance and decision-making. Jane Jung plays a crucial part in aligning IT initiatives with Westpac's broader business objectives, ensuring that technology investments deliver maximum value. The position requires strong organizational skills and a comprehensive understanding of the bank's technology landscape and strategic priorities.

    Amna Bahry - Chief of Staff & Director, People

    Amna Bahry, the Chief of Staff & Director, People at Westpac, drives strategic initiatives and oversees human capital management for the organization. Bahry's dual role encompasses providing executive-level support for strategic planning and operational execution, while also leading the people function to foster a high-performing and engaged workforce. This executive is responsible for developing and implementing HR strategies that align with Westpac's business goals, including talent acquisition, development, compensation, and employee relations. Amna Bahry works to enhance organizational culture, promote diversity and inclusion, and ensure that Westpac attracts and retains top talent. By integrating strategic operations with people-centric initiatives, Bahry contributes significantly to the bank's overall success and its ability to navigate complex market challenges.

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    Frequently Asked Questions Regarding Westpac Top Executives and Leadership Team

    Who leads Westpac?
    Westpac is led by Anthony Miller (Chief Executive Officer & Managing Director), along with executives such as Nell Hutton (Chief Executive Officer, Westpac Institutional Bank) and Tiraan Seneviratne (Head Chief Operating Officer, Operations Effectiveness SME & Small Business).
    Who is part of Westpac’s executive team?
    The executive team of Westpac includes leaders such as Anthony Miller (Chief Executive Officer & Managing Director), Nell Hutton (Chief Executive Officer, Westpac Institutional Bank), Tiraan Seneviratne (Head Chief Operating Officer, Operations Effectiveness SME & Small Business) and other senior executives.
    How many executives does Westpac have?
    Westpac has 10 executives leading key business areas.
    What roles are included in Westpac’s leadership team?
    The leadership team of Westpac includes roles such as Chief Executive Officer & Managing Director, Chief Executive Officer, Westpac Institutional Bank, Head Chief Operating Officer, Operations Effectiveness SME & Small Business, Executive Manager (Projects) & Chief Operating Officer, Consumer Office, Chief of Staff.