Dennis Trewin was the Australian Statistician and head of the Australian Bureau of Statistics from July 2000 until January 2007. Prior to that he was Deputy Australian Statistician and, from 1992 to 1995, Deputy Government Statistician in New Zealand. He has been working as a statistical consultant on assignment with a range of countries and with the UN, OECD and World Bank.
Dennis has held a number of other positions such as an Australian Electoral Commissioner, an Associate Commissioner at the Productivity Commission for the study into the Not for Profit Sector, and a Trustee and Board member for the Australian Government Superannuation Fund. He has been Chairman of the Advisory Board of the ARC Centre of Excellence for Coral Reef Studies, Chairman of the Policy and Advocacy Committee of the Academy of Social Sciences of Australia and the Australian Mathematics Trust. He is or has been an Adjunct Professor at Swinburne, Curtin University, University of Canberra and the University of the South Pacific, and a Council Member of the University of Canberra. He has been recognised as an Officer in the Order of Australia, received a Centenary Medal for his contribution to statistics and an honorary doctorate from James Cook University.
Internationally, Dennis has been President of the International Statistical Institute and the International Association of Survey Statisticians. He was Chairman of the Global Executive Board for the 2005 round of the World Bank's International Comparison Program.