Rhema Vaithianathan is a Professor of Economics at Auckland University of Technology (NZ) where she is director of the Centre for Social Data Analytics, a research centre that uses data analytics for social impact. CSDA takes a human-centred approach to data-tools which help agencies serve their communities better. Rhema has led the development and implementation of the Allegheny Housing Assessment tool, a machine learning decision support tool used in Allegheny County, PA., since 2020 to prioritize housing within the homelessness system. She works with a range of CoCs to support the adoption of validated tools for use at coordinated entry.