Peter trained at the University of Wales College of Medicine and Cambridge and Oxford Universities in the UK. In 2003 he joined Sheffield University and became joint Director of the Mellanby Center for Bone Research and Head of Department of Human Metabolism. In 2011 Peter joined the Garvan Institute of Medical Research in Sydney where he is Director of the Cancer Plasticity and Dormancy program. Peter is an international leader in understanding myeloma bone disease. He discovered key molecular pathways that cause myeloma bone disease. This research contributed to development of bone targeted therapies, including anti-RANKL and zoledronic acid, that are now in routine clinical use globally. Peter’s current research is investigating molecular pathways, including the Wnt pathway and sclerostin, that target osteoblasts, restore lost bone, increase bone strength and stop fractures. He is also investigating the role of bone cells in controlling myeloma cell dormancy and disease relapse.