Dr. Mammen is an expert in advanced heart failure, ventricular assist devices and heart transplantation. He has a special interest in neuromuscular cardiomyopathy – heart failure caused by neuromuscular disorders – and serves as the Medical Director of UT Southwestern Neuromuscular Cardiomyopathy Clinic, which he founded in 2010. It remains one of only a handful of dedicated neuromuscular cardiomyopathy clinics in the U.S. Dr. Mammen is one of only 500 cardiologists in the nation who is board certified in advanced heart failure/transplant cardiology. In addition, Dr. Mammen is the Director of Translational Research for the Advanced Heart Failure Program and investigates the molecular mechanisms underlying heart failure. The goal of his molecular cardiology laboratory is to develop novel therapeutic approaches for the treatment of patients with heart failure. Dr. Mammen’s laboratory is funded through grants from the National Institutes of Health and the American Heart Association.