Professor Anthony O'Hagan is an Emeritus Professor of Statistics at the University of Sheffield, UK. A major strand of his research has been the elicitation of expert knowledge. With Professor Jeremy Oakley (University of Sheffield), he developed the Sheffield Elicitation Framework (SHELF), now in version 4. He has provided consultancy, training, and practical elicitations for several organisations in diverse sectors, including GlaxoSmithKline, Swiss Re and the European Food Safety Authority.