Mission Australia Executive and Leadership Team

July, 2026

Leadership Overview

Mission Australia has 4 executives leading key functions including strategy, operations, information technology, and deputy information technology.

Driven by a commitment to empowering individuals, Mission Australia provides integrated solutions for homelessness, affordable housing, early learning, youth services, family support, and employment development, fostering independence for over 155 years.

Leadership Roles at Mission Australia

  • Chief Executive Officer - Sharon Callister
  • Deputy Chief Executive Officer - Ben Carblis
  • Chief Information Officer - Tony Pollock
  • Deputy Chief Information Officer - Saam Poushin
  • Sharon Callister - Chief Executive Officer

    Sharon Callister, the Chief Executive Officer at Mission Australia, directs the organization's overarching strategy and operational execution. Callister guides the implementation of integrated solutions across homelessness initiatives, affordable housing, early learning, youth services, family support, and employment development. Overseeing a nationwide team of over 3,500 staff, Callister ensures approaches are applied in unison, inspired by Christian values to help individuals regain independence. This leadership role involves fostering long-term partnerships and driving the mission to empower Australians. Sharon Callister's strategic vision shapes the organization's impact, ensuring continued support for vulnerable communities across Australia. The Chief Executive Officer's focus remains on sustainable growth and maximizing the positive outcomes for clients.

    Ben Carblis - Deputy Chief Executive Officer

    Ben Carblis, the Deputy Chief Executive Officer at Mission Australia, supports the Chief Executive Officer in executing the organization's strategic objectives and operational management. Carblis plays a crucial part in overseeing the delivery of diverse services, including homelessness initiatives, affordable housing, and early learning programs. The Deputy Chief Executive Officer ensures operational efficiency and the effective deployment of resources across all service areas. Ben Carblis's responsibilities extend to fostering a culture of continuous improvement and supporting the nationwide team of over 3,500 staff. This role involves close collaboration with the Chief Executive Officer to enhance the organization's reach and impact in empowering individuals towards independence. Carblis drives the integration of services, ensuring a holistic approach to client support.

    Tony Pollock - Chief Information Officer

    Tony Pollock, the Chief Information Officer at Mission Australia, architects the organization's technology strategy and digital transformation initiatives. Pollock oversees the development and implementation of IT infrastructure that supports Mission Australia's extensive service delivery, including homelessness initiatives, affordable housing, and youth services. The Chief Information Officer ensures robust data management and cybersecurity protocols are in place to protect sensitive client information and maintain operational integrity. Tony Pollock's leadership drives innovation in technology adoption, enhancing the efficiency and effectiveness of the nationwide team of over 3,500 staff. This role is critical in leveraging technology to empower individuals and support the organization's mission of fostering independence. Pollock ensures technology aligns with the core values and strategic goals.

    Saam Poushin - Deputy Chief Information Officer

    Saam Poushin, the Deputy Chief Information Officer at Mission Australia, assists the Chief Information Officer in managing and advancing the organization's technological capabilities. Poushin focuses on the operational aspects of IT service delivery, ensuring seamless support for homelessness initiatives, early learning programs, and employment services. The Deputy Chief Information Officer contributes to the strategic planning and execution of digital solutions that enhance client engagement and staff productivity. Saam Poushin's role involves overseeing IT projects and ensuring the reliability and scalability of systems supporting over 3,500 staff nationwide. This position is vital in maintaining the technological backbone that enables Mission Australia to effectively deliver its integrated solutions and support individuals in regaining independence. Poushin drives the implementation of new technologies to optimize service delivery.

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    Frequently Asked Questions Regarding Mission Australia Top Executives and Leadership Team

    Who leads Mission Australia?
    Mission Australia is led by Sharon Callister (Chief Executive Officer), along with executives such as Ben Carblis (Deputy Chief Executive Officer) and Tony Pollock (Chief Information Officer).
    Who is part of Mission Australia’s executive team?
    The executive team of Mission Australia includes leaders such as Sharon Callister (Chief Executive Officer), Ben Carblis (Deputy Chief Executive Officer), Tony Pollock (Chief Information Officer) and other senior executives.
    How many executives does Mission Australia have?
    Mission Australia has 4 executives leading key business areas.
    What roles are included in Mission Australia’s leadership team?
    The leadership team of Mission Australia includes roles such as Chief Executive Officer, Deputy Chief Executive Officer, Chief Information Officer, Deputy Chief Information Officer.