Graham Smith obtained his PhD from the University of Durham in 2002, on gravitational lensing studies of X-ray luminous galaxy clusters. In 2005, as a Postdoctoral Scholar at the California Institute of Technology, he published the first statistically well-defined gravitational lensing-based study of the relationship between galaxy cluster mass and temperature. This relationship is a key ingredient of plans to use galaxy clusters to constrain dark energy. Since arriving in Birmingham as a Royal Society University Research Fellow in late 2005 he has created the Local Cluster Substructure Survey (LoCuSS). This international collaboration (30 scientists spanning North America, Europe, and Japan) builds on the pilot study from 2005 to deliver precise calibration of galaxy cluster mass measurements for cluster cosmology experiments. In 2008 Graham was appointed Reader in Cosmology.