William P. Hausdorff, PhD, lead for meningococcal vaccine development and vaccine value propositions at PATH, has dedicated his career to expanding access to lifesaving vaccines around the world. Following doctoral and postdoctoral training at Johns Hopkins University, the National Institutes of Health, and Duke University, he held leadership roles at the US Agency for International Development (USAID), the Centers for Disease Control and Prevention (CDC), and two global vaccine manufacturers before joining PATH. He has also contributed to NFID educational programs as a speaker and advisor.