Clinically, he is a geriatrician working in outpatient general medicine and inpatient palliative care. His research interest is on decision making surrounding aggressive interventions, particularly among elderly and chronically ill populations. Currently he is focusing on building the case and developing interventions to improve the decision making surrounding implantable cardioverter-defibrillators (ICD). As a Hartford Scholar, Dan will develop a survey instrument to measure the quality of ICD decision making. This instrument will be used in future survey and intervention studies to measure the quality of ICD decision making.