Dr. O’Sullivan’s research program focuses on support mechanisms to promote health and resilience in conditions of high personal, occupational, and community stress, with particular emphasis on building capacity for emergency management through community engagement, multidisciplinary collaboration, and strengthening of critical social infrastructure. She is the project lead for The EnRiCH Collaboration, which is a community-based participatory research initiative, focused on enhancing resilience and preparedness among high risk populations, using a functional capabilities approach.