Michelle O'Brien (she/her) is a demographer and quantitative social scientist with substantial international experience. She is the Research Manager of the Sexual & Reproductive Health team at the Institute for Disease Modeling within the Bill and Melinda Gates Foundation. Dr. O’Brien’s research has focused on the complex dynamics of women's health and well-being in contexts of war, violence, and scarce resources. Her work at the Gates Foundation leverages computational demography to better understand the links between individual decision-making, reproductive health products and delivery, and health outcomes. She was a CSDE Fellow and holds a PhD in Sociology from the University of Washington.