Park Plaza Hospital
- Chairman, Department of Family Practice 2008-present
- Committee Member UM/QA 2006-present
- Patient Care Committee Member 1997-2005
- President 1999-2000
Renaissance IPA, UM/QA Committee Member 2005-present
Wellpoint, Credentialing Committee Member 2000-present
St. Luke Episcopal Hospital Quality Care Committee 1995-present
Clinical Assistant Professor, Department of Family Medicine, University of Texas, Medical Branch 1992-present
Clinical Assistant Professor, Department of Family Medicine, University of Texas Medical School 1992-present
Clinical Assistant Professor, Baylor College of Medicine 1983-present
Humana, Advisory Committee Member 2005-2007
Park Plaza Hospital IPA, President, Board of Directors 1997-2006