Dr. Tarraf is a gerontologist with a broad interest in issues related to public health and aging. His primary research focuses on minority aging, particularly in immigrants and Latinos, and racial/ethnic health and healthcare disparities. He is an affiliated investigator with the Hispanic Community Health Study/Study of Latinos (HCHS/SOL) and co-investigator and lead statistician on its ancillary Investigation of Neurocognitive Aging (SOL-INCA) study.