1. Division of Cardiology, University of California, Los Angeles (UCLA)
2. Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
3. Deputy Editor, JAMA Cardiology
4. Ahmanson–UCLA Cardiomyopathy Center, Ronald Reagan–UCLA Medical Center, Los Angeles, California
5. Associate Editor for Health Care Quality and Guidelines, JAMA Cardiology