Dr. Saskia Popescu is the Chief Executive Officer for the Global Health Security Network (GHSN). Saskia is an infectious disease epidemiologist, infection preventionist, and global health security leader with expertise in outbreak response, biopreparedness, and addressing evolving biological threats. She is a Professor at the University of Maryland in the School of Medicine and holds appointments at RAND and George Mason University, where she teaches courses on global health security and applies analysis to strengthen bioresilience and response across public and private sector infrastructure.













