Michael Repacholi is a graduate of the University of Western Australia (BSc, physics), London University (MSc, radiation biology) and Ottawa University (PhD, biology). He is the author or co-author of over 150 scientific publications. He is at present the Responsible Officer, Radiation Protection and Global Hazards Assessment at the World Health Organization (WHO) in Geneva, and has participated in ten WHO non-ionising radiation task groups. He is an Emeritus Chairman of the International Commission on Non-Ionizing Radiation Protection, Fellow and Past President of the Australian Radiation Protection Society and of the Australasian College of Physical Scientists and Engineers in Medicine. He is also a Fellow of the Australian Institute of Physics and a member of the Health Physics Society and of the Bioelectromagnetics Society.