Tadataka Yamada, MD is President of the Bill & MelindaGates Foundation Global Health Program, where he leads thefoundation's efforts to apply technological solutions to thehealthcare problems of the developing world. Dr. Yamada waschairman of R&D at GlaxoSmithKline from 2001-2006, and joinedthe company's Board in 2004. Previously, he was Chairman ofthe Department of Internal Medicine at the University of MichiganMedical School and Physician-in-Chief of the University of MichiganMedical Center. He is past President of the Association of AmericanPhysicians, past President of the American GastroenterologicalAssociation, Master of the American College of Physicians and amember of the Institute of Medicine of the National Academy ofSciences.David H. Alpers, MD, William B. Kountz Professor ofMedicine, Department of Internal Medicine, Division ofGastroenterology, Washington University School of Medicine, StLouis, Missouri, USAAnthony N. Kalloo, MD, Professor of Medicine, JohnsHopkins University School of Medicine; Director, Division ofGastroenterology and Hepatology, Johns Hopkins Hospital, Baltimore,Maryland, USANeil Kaplowitz, MD, Thomas H. Brem Chair, Professor ofMedicine, Chief, Division of Gastrointestinal and Liver Diseases;Director, Liver Disease Research Center, Keck School of Medicine,University of Southern California, Los Angeles, California,USAChung Owyang, MD, Professor of Internal Medicine; H.Marvin Pollard Collegiate Professor and Chief, Division ofGastroenterology, University of Michigan Health System, Ann Arbor,Michigan, USADon W. Powell, MD, The Bassel and Frances BlantonDistinguished Professor of Internal Medicine; Professor,Neuroscience and Cell Biology; Program Director, General ClinicalResearch Center; Director, Division of Gastroenterology andHepatology, The University of Texas Medical Branch, Galveston,Texas, USA