Professor Sims directs the Bone Cell Biology and Disease Unit at St. Vincent’s Institute of Medical Research and is a Professorial Fellow at The University of Melbourne and Australian Catholic University.

She leads a team who studies the cellular interactions responsible for development, maintenance, and strength of the skeleton. She completed her PhD at the University of Adelaide, followed by postdoctoral work at the Garvan Institute in Sydney then at Yale School of Medicine, in New Haven, Connecticut, where she studied the role of the estrogen receptor in regulating bone structure.