Naomi E. Chayen is Professor of Biomedical Sciences at Imperial College London, Visiting Professor at Harvard Medical School and the President of the International Organisation for Biological Crystallization (IOBCr). She organises and chairs crystallization sessions at international conferences and courses, and is a Crystallization Co-Editor of Acta Crystallographica D.Prof J R Helliwell is Professor of Structural Chemistry at the University of Manchester and an Honorary Visiting Scientist at the STFC Daresbury Laboratory. He has served as Editor-in-Chief of Acta Crystallographica and is currently President of the European Crystallographic Association.Dr Edward Snell is Assistant Professor at the Hauptman-Woodward Medical Research Institute at the State University of New York at Buffalo. He has worked at NASA as a senior scientist and was PI on several space missions on the International Space station. He has received a number of academic awards.