Steven Meikle is Professor of Medical Imaging Physics and Head of the Imaging Physics Laboratory at the Brain and Mind Centre. He is also Research Academic Director (Research Infrastructure) in the Faculty of Medicine and Health. He received his Bachelor of Applied Physics degree (Hons 1, University Medal) from the University of Technology, Sydney in 1988 and his Ph.D. degree from the Graduate School of Biomedical Engineering, University of New South Wales in 1995. He was a medical physicist at Royal Prince Alfred Hospital in Sydney (1987-2004), a visiting research associate at the Division of Nuclear Medicine and Biophysics, UCLA School of Medicine in Los Angeles (1991-2) and a post doctoral research scientist at the MRC Cyclotron Unit, Hammersmith Hospital in London (1995-6) before joining the University of Sydney in 2004. Steven is a Fellow of the Australian Institute of Physics, a Senior Member of the IEEE and an Honorary Professorial Fellow at the Centre for Medical Radiation Physics at the University of Wollongong. He is currently President of the IEEE Nuclear and Plasma Sciences Society and serves on the Editorial Board of the journal Physics in Medicine and Biology.