R. A. (Richard A.) Glen is an Adjunct Professor in the School of Natural Sciences at Macquarie University in Sydney, New South Wales, Australia, where he is associated with research on geology, tectonics, and earth science topics. His work spans studies of continental evolution, geochemical processes, and the structural history of rock formations, and he has authored numerous scientific papers in earth-science fields. Glen is affiliated with the ARC Centre of Excellence for Core to Crust Fluid Systems, contributing to research that connects geological structure with fluid evolution in continental crust environments.