Rhema is co-director of the Centre for Social Data Analytics at Auckland University of Technology, New Zealand, where she is also a Professor of Health Economics. Rhema is widely recognized for her ambitious research using linked administrative data for social impact. She led the international research team that developed the Allegheny Family Screening Tool, a child welfare predictive risk modelling tool that has been in use in Allegheny County, Pennsylvania since August 2016. Rhema is leading and collaborating on the development of a number of other US predictive risk modelling tools designed to reduce the adverse effects of social problems including homelessness and child maltreatment. She has held numerous research positions in Australia, Singapore and the US including a Harkness Fellowship at Harvard University. Rhema earned her PhD in economics at the University of Auckland, NZ.