Gao-Feng Zhao is Professor in rock mechanics at the School of Civil Engineering of Tianjin University in China and a senior lecturer at the School of Civil and Environmental Engineering at the University of New South Wales in Sydney, Australia. His research aims to understand the dynamic fracturing of rock, and to promote the application of the Distinct Lattice Spring Model (DLSM), Discrete Element Model (DEM) and Lattice Boltzmann Method (LBM) for rock mechanics and rock engineering.