Rachel’s research and professional interests focus on reaching vulnerable and marginalized populations with health services. Her doctoral research will improve methods for digital research in informal settlements and study how the inclusion of populations of concern can improve health equity.  She studied Political Science at Columbia University and has a Masters in Humanitarian Health Programme Management from the Liverpool School of Tropical Medicine. In the last 15 years, she has worked in global public health for Gavi, the Vaccine Alliance - COVAX, the International AIDS Vaccine Initiative, Doctors Without Borders, the Haitian Government and the Medical Research Council in Haiti, Kenya, Rwanda, Uganda, Somalia and Pakistan.