Bruce Yardley is Emeritus Professor at the University of Leeds and previously taught at the Universities of Manchester and East Anglia and has spent sabbaticals at Otago, ETH Zurich and Wisconsin – Madison. He has worked on many aspects of metamorphic petrology and crustal fluid processes, and has served as Chair of the Metamorphic Studies Group (1991-3), Science Secretary of the Geological Society of London (2002-6), President of the European Association of Geochemistry (2005-6) and also President of the Mineralogical Society of Great Britain and Ireland (2019-20). He has held a Harkness Fellowship, at the University of Washington (1974-76) and a Humboldt Prize at GFZ Potsdam (2009-11).