Lewis R. Roberts, MB, Chb, PhD

Division of Gastroenterology and Hepatology, Mayo Clinic


Dr. Lewis R. Roberts is a Professor of Medicine and Consultant in the Division of Gastroenterology and Hepatology at the Mayo Clinic, where he is Director of the Hepatobiliary Neoplasia Clinic and Associate Director of Pre-Doctoral Programs in the Center for Clinical and Translational Science. Dr. Roberts earned his medical degree from the University of Ghana Medical School and a PhD in Physiology and Biophysics from The University of Iowa. Subsequently, Dr. Roberts completed postgraduate medical training in Internal Medicine and Gastroenterology and Hepatology at Mayo Clinic.

Dr. Roberts maintains a clinical practice focused on liver and bile duct cancers and gastrointestinal endoscopy. His research interests include studies of the molecular mechanisms of liver and biliary carcinogenesis; development of biomarkers and clinical tests to improve the diagnosis and treatment of liver, bile duct and pancreas cancers; and improvements in prevention, diagnosis and treatment of hepatitis and liver cancer in Africa as well as in immigrant African communities in the USA. His research has been funded by the National Institutes of Health, The Robert Wood Johnson Foundation, and the AGA Foundation for Digestive Health and Nutrition. He has authored over 190 articles, book chapters, abstracts and letters.

Dr. Roberts has served as Associate Editor of Clinical Gastroenterology and Hepatology and currently serves on the Editorial Boards of Hepatology, Liver Cancer and Hepatic Oncology. He also serves as President of Africa Partners Medical, a non-profit organization focused on improving healthcare delivery in Africa through medical education, practical skills training, and provision of medical equipment and supplies.