1993-4 President, American Federation for Clinical Research; 1990 NIH Special Review Cmte "National Cooperative Drug Discovery Groups in AIDS", 1993 NIH Review Cmte. "Collaborative Projects in Minority Health", 1996 NIH SCOR Review Panel "Cellular and Molecular Mechanisms of Asthma", 1996 Review Panel American Lung Association "Asthma Research Centers", 1994-98 Editor, Journal of Investigative Medicine, 1998-2003 Editorial Board, American Journal of Respiratory Cell and Molecular Biology, 1998-99 Chair, Program Planning Cmte (Allergy, Immunology, and Inflammation) American Thoracic Society Annual Meeting, 1999-2000 President, Association of Pulmonary and Critical Care Medicine Program Directors, 2000-2 Publication Policy Cmte American Thoracic Society,2001 Reviewer,Minority Health Research and Education Grant Program,Texas Higher Education Coordinating Board, 2003-Present Scientific Advisory Board Lovelace Respiratory Research Institute, Albuquerque New Mexico; 2003-2006 Board of Directors, Alliance for Academic Internal Medicine; 2004-2005 President,Association of Subspecialty Professors; 2003-8 Listed in Americas Top Doctors; 2003-8 Best Doctors in America; Chief Division of Pulmonary and Critical Care Medicine UT Southwestern 1996-2007; Chief of Medicine, UT Southwestern University Hospitals 2006-Present
