Dr. Hernandez is a cardiologist with extensive experience in clinical research ranging from clinical trials to outcomes and health services research. He is the Director of Health Services and Outcomes Research and a Faculty Associate Director of the DCRI. He leads research programs focused on understanding population health, generating real-world evidence, and improving patient-centered outcomes through development of new therapies and better care delivery in our national health system. He is the Coordinating Center Principal Investigator for multiple networks and clinical trials such as the NHLBI’s Heart Failure Clinical Research Network, PCORI’s National Patient-Centered Clinical Research Network (PCORnet) and NIH’s Health System Collaboratory. A central aim of these networks is to transform clinical research by uniting patients, clinicians, health systems, and electronic health data to improve population health and decision making. Dr. Hernandez has over 350 published articles in top peer-reviewed journals including the New England Journal of Medicine, Journal of the American Medical Association, and Lancet.