Our Board

  • Brent Emmett - Chair

    BSc(Hons)

    Brent has over 40 years’ experience in petroleum exploration, exploration and production management and investment banking. He first worked as an explorationist in Australia, PNG and New Zealand then filled general management roles in North and South America. Brent was the CEO and MD of Horizon Oil, which had operations in PNG, China and New Zealand, for 17 years and retired in 2018.

    Brent has been a member of the ADI Board since 2019 and sits on the Finance, Audit and Risk Committee.

  • Louise Walker - Deputy Chair

    BEc, MComm, CAIA, GAICD

    Louise has more than 30 years’ experience in funds management, mainly at Macquarie Group, as well as CQS, Brookvine and most recently Blackstone. Louise's NFP experience includes being President of Active Opportunities, a founder of the Australian chapters of CAIA and 100 Women in Finance and being Presidentt of Mosman Football Club. Louise joined ADI’s fundraising committee in 2017 and joined the board in August 2018.

    Louise is the Chair of ADIs HR and Nominations Committee.

  • Colin Plowman - Director

    BA, MSc

    Colin is an ex-Commonwealth Public Servant having undertaken senior executive roles as Registrar of the Migration Review Tribunal-Refugee Review Tribunal, First Assistant Secretary in the Department of Finance, and a Program Manager in the Aboriginal and Torres Strait Islander Commission among others. Colin has many years working with Indigenous communities across Australia and in program management and evaluation.

    Colin is the Chair of ADIs Program Strategy Committee.

  • Liz Cohen - Director

    LLB, BA, MBA, MEM, GAICD

    With 10 years of experience in executive and senior leadership roles, Liz has contributed in the scale and start up of not for profits and established global entities.

    Liz was previously a board Member and chair of Audit and Risk Committee for Amnesty International Australia and Board Member, Vice-President and member of the Audit and Risk Committee for Carers NSW.

    Liz is the Chair of ADIs FAR Committee.

  • Beatrice Mahuru - Director

    Beatrice is the CEO and Founder of GeuLen & Daughters Limited, and Black & White Events, a public relations and communication agency, providing the international lens, in-depth Papua New Guinea content to deliver strategic results, drive innovative campaigns, craft unique events and generate media waves. Beatrice has influence in the world of journalism, politics, entertainment and news that spans 25 years. Her personal brand is one synonymous with style, stewardship, integrity, and grit.

    Beatrice is the Chair of ADI’s Marketing and Fundraising Committee.

  • Tracey Tatnell - Director and CEO

    BA (Sociology), MBA

    Tracey has a unique background working with international governments across the Pacific, Asia, and the Middle East over the past 20 years. Internationally Tracey has advanced organisational reform and mentored senior government executives.

    Tracey also works with James Cook University to develop courses to strengthen leadership and management within the health services sector, where she also serves as an Adjunct Senior Lecturer in Public Health and Tropical Medicine. She has worked in Papua New Guinea for the past 10 years.