Dr Cristobal (Cris) Sierra is a Digital Engineer at WT in Australia. Cris is a Mechanical Engineer with a PhD in infrastructure focusing on the adoption of transformative technologies.  As a recipient of an Australian Research Council scholarship, he undertook research on the applications of a cognitive digital twin on transport infrastructure. Cris specialises in data visualisation, bringing a wealth of expertise in augmented reality, virtual reality, photogrammetry, point clouds and digital twins.