She is a full professor in the College of Global Public Health at New York University and director of the Center for Drug Use and HIV/HCV Research.
[1] Upon completing her PhD, Hagan accepted a faculty position at New York University (NYU) College of Global Public Health.
[1] In 2018, Hagan was appointed chair of the Executive Steering Committee for the National Institutes of Health and the Centers for Disease Control and Prevention’s Rural Opioid Initiative.
[3] She was also named to the National Academy of Medicine's Committee on the Examination of the Integration of Opioid and Infectious Disease Prevention Efforts in Select Programs.
The funds were used to implement and evaluate a household-centered service-delivery that sent nurses and community health workers door-to-door in public housing to prevent the spread of coronavirus.