Daniella Bradley OʼBrien has been working with data professionally in various settings for the past decade. As a research associate at the New York City Department of Health and Mental Hygiene (NYC DOHMH) Bureau of Alcohol and Drug Use, Prevention, Care and Treatment, Daniella used several data sources to examine morbidity and mortality related to substance use and misuse in New York City with a focus on opioids. She then used a data-driven approach to identify sources of revenue for the Town of Orleans, MA. Currently, Daniella uses financial data to support the day-to-day activities of a small marine company. Her teaching experience includes guest lectures in substance use epidemiology at CUNY/Hunter School of Public Health and various data training workshops and lectures at NYC DOHMH.