David Graham is a Gastroenterologist and Upper Gastrointestinal Interventional Endoscopist. His research and publications have focussed on the diagnosis and management of early neoplastic lesions of the upper gastrointestinal tract and he is currently leading international studies within this field. Alongside this, David teaches extensively in this area and runs numerous courses as well as a Gastroenterology educational platform www.GastroLearning.com.
William Waddingham is a Gastroenterology Specialist Registrar and MRC Clinical Research Training Fellow. He has an interest in endoscopic and molecular risk stratification of precancerous lesions for early detection of upper gastrointestinal cancers, he is currently undertaking a PhD at UCL Cancer Insitute investigating genomic correlates of pre-tumour progression in the chronically inflamed stomach, and endoscopic diagnosis of gastric intestinal metaplasia.