Board Certifications
American Board of Internal Medicine, 1972
American Board of Internal Medicine in Cardiovascular Disease, 1975

Affiliations
Fellow, American College of Cardiology, 1976
Member, American Society of Echocardiography, 1976
Fellow, Council on Clinical Cardiology, American Heart Association, 1977
Member, Texas Club of Internists, 1977
Fellow, American College of Chest Physicians, 1981
Fellow, The Society for Cardiac Angiography and Intervention, 1989
Member, Heart Rhythm Society, 1998
Member, American Society of Nuclear Cardiology, 1998
Secretary-Treasurer, Texas Club of Internists, March, 1992 – March, 1994
Second Vice-President, Texas Club of Internists, March, 1994 – March, 1995
First Vice-President, Texas Club of Internists, March, 1995 – March, 1996
President, Texas Club of Internists, March, 1996 – March, 1997
Member, Heart Failure Society of America, 2001
Member, Society for Cardiovascular Magnetic Resonance, 2003
Member, Heart Valve Society of America, 2005
Member, Houston Heart Failure Society