About Organisational structure
Page last updated:25 May 2026
Geoscience Australia
Chief Executive Officer
Melissa Harris PSM
Office of the Chief Scientist
Chief Scientist
Dr Steve Hill
Minerals, Energy and Groundwater Division
Chief of Division
Dr Andrew Heap
Basin Systems
TBC
Mineral Systems
Marina Costelloe
Advice, Investment Attraction and Analysis
Sarlae McAlpine*
Resourcing Australia's Prosperity
Kristina Anastasi*
Space Division
Chief of Division
Alison Rose
Digital Earth
Leyla Alpaslan
Positioning Australia
Dr Martine Woolf
Satellite Land Imaging Collection
Dr David Hudson
SouthPAN
Myra Sefton
Place and Communities Division
Chief of Division
Dr David Robinson*
Oceans, Reefs, Coasts and the Antarctic
Dr Jodie Smith
National Location Information
Lisa Bush
Community Safety
Dr John Dawson
Enabling Services Division
Chief of Division
Maree Wilson
Chief Finance Officer
Michael Olive
Chief Information Officer
Simon Edmondson*
Chief People Officer
Charlie Middleton
Organisational Transformation Office
Chief Transformation Officer
Clive Rossiter #
* Denotes acting arrangement
# Denotes temporary position