Bachelor summa cum laude, University North Carolina, 1983. Doctor of Medicine, Duke University, 1990. Doctor of Philosophy with honors, Duke University, 1990.
Resident department medicine Duke University Medical Center, Durham, North Carolina, 1990-1993. Postdoctoral fellow, department pharmacology National Taiwan University, Taipei, 1992. Fellow gastroenterology Duke University Medical Center, Durham, North Carolina, 1993-1997, clinical medical instructor, 1994-2000, fellow in advanced hepatology and transplant hepatology, 1997-1998, attending physician, 1998-2000, Durham Veterans Administration Medical Center, 1998-2000.
Assistant professor medicine Gastrointestinal Center, University Texas-M.D. Anderson Cancer Center, Houston, 2000—2002. Director, principal investigator, medical director Regional Research Institute, Jackson, Tennessee, since 2002. Founder Southeastern Liver Institute, since 2002.
Hepatologist, gastroenterologist Center Liver Diseases, Laurea McKennan University Medical Center, Sioux Falls, South Dakota, 2009. Associate department medicine Duke University, 1998-2000. Instructor clinical medicine Duke University School Medicine, 1994-2000, member admissions committee.
Instructor University Tennessee School Medicine, since 2004. Assistant professor medicine Gastrointestinal Center, University Texas M.D. Anderson Cancer Center, Houston. Visiting medical resident National Taiwan University, Taipei, 1991, 92.
Visiting physician Saratov (Russia) Medical University, 1995. Faculty senator University Texas M.D. Anderson Cancer Center, 2000-2002. Book review panelist The Pharos of Alpha Omega Alpha.
Consultant physician Al-Jazeira Hospital, Abu Dhabi, United Arab Emirates. Member medical advisory board Axium Pharmaceuticals, Inc. Consultant Intermune Pharms, Forest Pharmaceuticals, Three River Pharmaceuticals, Coley Pharmaceuticals Axcan Pharmaceuticals.
Fellow: American College of Physicians (winner associates competition 1994), American College Forensic Examiners. Member: International Liver Cancer Association, European Association for Study of Liver, Houston Academy Medicine, Texas Medical Association, American Liver Foundation (board directors Texas chapter), Engel Society, Reticuloendothelial Society, American Association for Study Liver Diseases, American Society for Gastrointestinal Endoscopy, American College Gastroenterology, Sigma Pi Sigma, Phi Lambda Upsilon, Sigma Xi, Phi Beta Kappa, Alpha Omega Alpha (president Duke chapter 1989).