AusIMM's inaugural Mineral Resource Estimation Conference 2023 attracted resource geologists to demonstrate Australasian excellence on resource estimation. The conference aimed to showcase leading best practice, case studies and research on mineral resource estimation and the software applications required. Facilitating an open exchange of information, boasting interactive sessions, panel discussions and keynote presentations alongside case studies and peer-reviewed papers. Sessions topics will showcase the latest advancements and leading examples in: QA/QC and sampling, 3D geological and estimation domain modelling, geostatistical analysis, estimation, validation and risk analysis and reporting.