Abigail Winiker completed her MSPH at the Johns Hopkins Bloomberg School of Public Health from 2016-2018. Her work and research have focused on the design, implementation, and evaluation of harm reduction-based behavioral interventions targeting vulnerable populations, particularly people who use drugs, individuals living with HIV, and sexual/gender minorities. She is currently a PhD student at the Bloomberg School, where her research is focused on an exploration of the intersection of lifetime experiences of trauma with substance use and mental health outcomes, including best practices for trauma-informed substance use treatment.