John Plummer,Senior Editor, Nature Materials, Nature Publishing Group. Introduction: John Plummer is an editor for Nature Materials. He has a first degree in Materials Science and Engineering from the University of Sheffield, where he remained for a PhD, investigating the structure and properties of metallic glass. He subsequently joined Imperial College London as a postdoc and lecturer working on deformation in nano- and micro-scale specimens, after which he joined Nature Publishing Group in 2013, first as an editor for Nature Communications and then Nature Materials.