Gregory Pike obtained his doctorate in Physiology from the University of Adelaide in 1984, then continued with postdoctoral studies in the USA supported by grants from the National Institutes of Health and the Muscular Dystrophy Association. On returning to Australia he continued with various research programmes in neurobiology and membrane biophysics at the University of Adelaide. He took up a position in 1993 at the Royal Adelaide Hospital in the Department of Surgery, working on various clinical trials and projects on new laparoscopic procedures and techniques.
In 1998 he joined the Southern Cross Bioethics Institute and was its director from 2004 to 2012 before becoming founding director of ACBC. He focuses on bioethics with a particular emphasis on the influence of bioethics on public policy development. He has participated extensively in public debates on stem cells, cloning, abortion, euthanasia and illicit drug policy. He has a broader interest in ethical issues related to new technologies in the health sciences, particularly reproductive technologies and genetics.
He is the Chairman of the Board of the Australian Drug Treatment and Rehabilitation Programme, a member of The Institute on Global Drug Policy, and a Fellow of the Institute for the Study of Christianity in an Age of Science and Technology. He was also a member of the Australian Health Ethics Committee for the 2006-2009 triennium.
He is married to Kathy and they have three grown up children.