Dr Gratten completed his undergraduate studies and PhD at The University of Queensland, before undertaking postdoctoral training in evolutionary and quantitative genetics at the University of Sheffield. He then returned to Australia and shifted research focus to psychiatric and neurological genetics, taking up a position as research fellow at the Queensland Brain Institute. In 2013, he was recruited to UQ's Centre for Neurogenetics and Statistical Genomics, and in 2017 was awarded an NHMRC Career Development Fellowship. He established the Cognitive Health Genomics group at Mater Research Institute UQ in 2018, with the goal to improve understanding of the etiology of psychiatric and neurological disorders through analysis and integration of whole genome datasets. He has received >$5M in research funding from the NHMRC, Autism Cooperative Research Centre and both Australian (BICARE) and international (Brain & Behavior Research Foundation) philanthropic funders.