Of the 10 leading international researchers in this field (ranked by h-index), Westbrook is placed at five. Her work has resulted in: advanced software tools and methods which have been adopted internationally and generated new knowledge, substantially improving our understanding of clinical communication and work practices and how these impact patient safety; and made very significant advances in our understanding of how clinical information systems deliver (or fail to deliver) expected benefits. This evidence has resulted in changes to commercial IT systems and been used by governments and policy-makers internationally