Emeritus Professor of Earth Sciences at the University of Bristol and the University of St Andrews. Chris is a Fellow of the Royal Society and the Royal Society of Edinburgh, and is an Honorary Member of the Royal Irish Academy. He was previously the Deputy Principal and Vice-Principal for Research at the University of St Andrews. He has chaired a Scientific Advisory Board for the Max Planck Society, review panels in Australia and South Africa, and chaired the National Geological Screening Independent Review Panel for Radioactive Waste Disposal.