Caitlin R. Williams is a PhD student at University of North Carolina at Chapel Hill. Her research interests center on implementation strategies to ensure that evidence-based practices reach under-served and marginalized communities. At UNC, Caitlin supports the work of the WHO Collaborating Center for Research Evidence on Sexual and Reproductive Health, primarily through her involvement with the Family Planning National Training Center for Service Delivery Improvement. She also collaborates with the Institute for Health Policy and Clinical Effectiveness (IECS) in Buenos Aires, Argentina.