A/Prof. Craig O'Neill is the director of the Planetary Research Centre at Macquarie University, and an Associate Profesor in geodynamics and planetary science, in the Department of Earth and Planetary Science at Macquarie University. He is a Chief Investigator and board member of the Core to Crust Fluid Systems (CCFS) ARC Centre of Excellence.

His research interests include computational geodynamics, planetary evolution, satellite geophysics, and archeological geophysics.

When not staring bleary-eyed at screen of rolling numbers, or attempting to inject coffee intravenously, he can often be found fighting people whilst wearing baggy pyjamas, or wandering the outback sticking things into rocks.