Dr. Peter Thomas
Dr. Peter Thomas is the director of the Medical Imaging Section, in the Medical Radiation Services Branch of the Australian Radiation Protection and Nuclear Safety Agency (ARPANSA) since March 2016.
Dr. Thomas completed a PhD in chemistry in 1997 and from 1998 to 1999 he held a post-doctoral position at Purdue University, West Lafayette, Indiana, USA. His research was in the field of gas-phase ion-molecule chemistry and mass spectrometry and included the development of scientific instrumentation.
Dr. Thomas joined ARPANSA in 2000, initially working as a scientific and quality systems officer in the occupational dosimetry service. He moved to medical physics in 2002, working on a nation-wide survey of patient exposures in general radiography and performing Monte-Carlo calculations of patient dose in medical imaging procedures. In 2007 he became the director of the ARPANSA occupational dosimetry service, a position he held for 6 years. He returned to medical imaging in 2013, working on the collection of data to set diagnostic reference levels for medical imaging procedures.
Dr. Thomas was a member of the Australian delegation to UNSCEAR in 2005 and again since 2019. He is the alternate representative for the sixty-seventh session in 2020.