People are at the heart of our business. The role of our Executive Committee is to provide leadership, direction and support to enable our people to perform at their absolute best.

Led by our CEO Sharon Callister, the Executive Committee meets monthly to review operations, monitor performance, identify new opportunities and plan for the future.

Sharon Callister GAICD, MBA, BHA, RN

Chief Executive Officer
Sharon’s extensive experience in the Christian not-for-profit sector and strong leadership qualities led to her appointment as Mission Australia’s CEO in March 2022. Previously employed as CEO of the Presbyterian and Methodist Schools Association Queensland (2018-21), The Salvation Army Aged Care Plus (2008-18) and The Salvation Army Humanitarian Mission Services (2012-14), Sharon brings extensive leadership experience and knowledge of managing large service delivery organisations, especially within the aged care and social services sectors. During her time as CEO of The Salvation Army Aged Care Plus, Sharon was responsible for overseeing 16 residential services, 7 retirement villages and over 1,400 staff. Sharon is a strategic thinker who applies her Christian faith and empathy towards others in her servant style of leadership. With qualifications and experience working as a Registered Nurse at St Vincent’s Hospital, Sharon is also passionate about helping others. Sharon holds a Graduate Diploma from the Australian Institute of Company Directors, a Master of Business Administration and a Bachelor's degree in Health Administration.

Sally Ascroft BEc, LLB, GAICD

General Counsel & Company Secretary
Sally is a highly experienced governance and legal professional, with more than 25 years' experience of working with Boards and Executive Teams to achieve organisational objectives through governance, policy and strategy. Sally and her team oversee all legal, governance, risk and assurance activities at Mission Australia, guiding staff through the increasingly complex legislative issues affecting the not-for-profit sector. Sally was appointed General Counsel in 2012 and Company Secretary in 2014. Prior to joining Mission Australia, she was a Partner of King Wood Mallesons and General Counsel and Company Secretary of The Trust Company. Sally is an Executive Director of Mission Australia Services, Company Secretary of Mission Australia, Mission Australia Services, Mission Australia Housing, Mission Australia Housing (Victoria), Mission Australia Housing Tasmania, Mission Australia Housing Partnership Limited and Mission Australia Capital Fund Pty Ltd. She holds a Degree in Economics and a Degree in Law and is a Graduate of the Australian Institute of Company Directors and a Member of the New South Wales Law Society.

Iain Keddie BSc (Hons), FCA, GAICD

Chief Financial Officer
With a background spanning the professional services and corporate sectors, Iain is a highly experienced CFO. He has held Senior Executive roles in listed and private companies operating in various services sectors in Australia and worked with PricewaterhouseCoopers and Ernst & Young in London and Sydney. Iain joined Mission Australia in 2014 and provides oversight and direction to the Board and Executive Team on all areas of financial management, technology and procurement. He is passionate about driving financial sustainability underpinned by strong governance and strategy. Iain is an Executive Director of Mission Australia Services, Mission Australia Housing Tasmania, Mission Australia Housing Partnership Limited and Mission Australia Capital Fund Pty Ltd. He is a Graduate of the Australian Institute of Company Directors, a Fellow of the Institute of Chartered Accountants in England and Wales and holds an Honours Degree in Mathematics and Theoretical Physics.

Ben Carblis BA, MA, GAICD

Executive, Community Services
Ben’s passion and deep understanding of community services led to his appointment of Executive, Community, Family and Children’s Services in January 2018. In this role he leads and directs nationwide teams and operations. He most recently served as Mission Australia’s State Director NSW/ACT, also leading our Social Enterprises in Victoria. Ben has over 20 years’ experience in leadership roles within community and employment services and started out his career as a youth worker on the Central Coast, NSW. Ben is a Director of Jobs Australia. He holds a Bachelor of Arts and a Diploma of Education from the University of Newcastle and a Master’s Degree in Adult Education (MA Ed) from the University of Technology, Sydney. He is a Graduate of the Australian Institute of Company Directors.

Chris Bratchford MBA, LLB, GAICD

Executive, Housing and Property
Chris is responsible for the strategic leadership, operational performance and sustainable growth of Mission Australia Housing, and the management of Mission Australia’s property portfolio. Prior to joining Mission Australia in January 2015, Chris worked in leadership roles across the not-for-profit and commercial sectors both nationally and internationally. Chris previously held roles as CEO of Argyle Community Housing, COO of Lake Maintenance, COO and CFO of Avant and CEO of Ample, a London-based financial services business. Chris is an Executive Director of Mission Australia Housing Partnership Limited, Mission Australia Housing Tasmania and PowerHousing Australia (an Industry Association), and was formerly a Non-Executive Director of the NSW Federation of Housing Associations and a Non-Executive Director of Professional Insurance Australia Pty Ltd. Chris is a Graduate of the Australian Institute of Company Directors and holds a Master of Business Administration and a Bachelor of Laws.

Marion Bennett BA (Hons), GAICD

Executive, Practice, Evidence and Impact
Before joining Mission Australia, Marion had a long career in the NSW Government including advising on social policy, governance and performance improvement. As Executive Director of Housing Policy and Homelessness, she led housing and homelessness policy, inter-governmental negotiations, research, and delivery of affordable housing and homelessness programs. In 2015, she joined Mission Australia as Head of Policy & Advocacy, and in 2017 joined the Executive and moved to lead the Practice Evidence and Impact group. In this role, Marion drives the continuous improvement and growth of Mission Australia’s services, through practice quality, service design, innovation, evidence and insights, research and evaluation, and business development. She is a founding member and sits on the Board of the Constellation Project, a collaboration to end homelessness. Marion holds an Arts Honours Degree and is a Graduate of the Australian Institute of Company Directors.

Ramsina Lee BA, GAICD

Executive, People and Culture
Ramsina joined Mission Australia in 2019 and is responsible for the strategic leadership and direction of our People & Culture and Work Health & Safety functions. She has a wealth of experience leading Human Resources portfolios across a range of sectors, including not for profit, private and government. Ramsina has also served on the Board of the Deaf Society as a Non-Executive Director, and on numerous specialty committees of the NSW Government, WorkSafe Australia and the National Occupational Health & Safety Commission. She holds an Arts Degree in Industrial Relations and Sociology and is a Graduate of the Australian Institute of Company Directors. 


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Purpose - 'Inspired by Jesus Christ, Mission Australia exists to meet human need and to spread the knowledge of the love of God'