2006-International Association for Study Liver Diseases, Cairo Egypt;

2006-Council on Legislative Affairs, Harris County Medical Society;

2004-Vice-President, Harris County Medical Society;

2003-Secretary-Treasurer, Harris County Medical Society;

2003-HAMC Board of Directors;

2003-Harris County Medical Society Board of Directors;

1999-2004-President, American Liver Foundation of Texas;

10/02-12/05-MD Anderson Cancer Center, Liver Clinic- Director;

2001-present-Texas Medical Association, Delegate;

2000-present-Texas Medical Association, Infectious Disease Committee Staff Member;

2002-2004-Tenet Medical Systems, 12 Oaks Hospital Utilization Committee;

2000-2001-Board of Directors, Harris County Medical Society, President, Central Branch;

6/98- American Medical Association Convention, Tenet Organized Medical Staff Section Delegate;

10/97 - Harris County Medical Society Chairman of AMA Mini-Internship;

6/97 - American Medical Association Convention, Houston Central Branch Delegate;

3/97 - Tenet Park Plaza 1997 Gastroenterology Update Faculty;

1996-97 - President, Houston Gastroenterology Society;

1995,1996 - Advanced Closed Circuit Endoscopic Surgery (ACES) MD Anderson Cancer Center UT Houston, Course Co-Director;

10/94-European Congress of Gastroenterology, Presentation of Interactive Video laser Disc Patient Education Program for Colorectal Cancer Screening, Exhibitor, Berlin, Germany;

1992-Reviewer for Annals of Internal Medicine & Journal of American College of GI;

7/91 Lorenzini Foundation, Plenary Session Faculty: Drugs and Liver Transplantation, Milan, Italy.

MD Double Boarded American Board Internal Medicine Gastroenterology

Associate Professor of Clinical Medicine, University of Texas Reviewer, Annals of Internal Medicine

Trey National Award, American Liver Foundation, Outstanding Physician

Baylor College of Medicine Affiliated Hospitals

He has delivered international abstract and lecture presentations.