Dr. Saad B. Omer is a globally recognized epidemiologist, public health leader, and vaccine policy expert. As the founding Dean of the Peter O’Donnell Jr. School of Public Health at UT Southwestern Medical Center, Dr. Omer has dedicated his career to advancing high-impact science that informs vaccine policy and clinical recommendations worldwide.
Dr. Omer’s research has shaped public health strategies on vaccine hesitancy, maternal immunization, and infectious disease epidemiology. His work has influenced national and international vaccination policies, including those of the World Health Organization (WHO), Gavi, and the U.S. Department of Health and Human Services (HHS). His studies on vaccine acceptance, immunization coverage, and infectious disease prevention have been cited in major global policy recommendations.
His research portfolio includes clinical trials on maternal and infant immunization for diseases such as pertussis, polio, measles, and pneumococcal infections, as well as studies on respiratory viruses like influenza, RSV, and COVID-19. His landmark studies on maternal influenza immunization demonstrated its effectiveness in reducing severe illness in pregnant women and newborns, directly influencing vaccine recommendations in the U.S., U.K., Canada, Australia, and beyond.
Dr. Omer has authored numerous publications in leading journals, including The New England Journal of Medicine, JAMA, The Lancet, Science, and Nature. His expertise has been featured in major media outlets such as The New York Times, The Washington Post, CNN, and BBC. He has advised global health organizations and served on advisory boards, including the WHO’s Strategic Advisory Group of Experts (SAGE) on Vaccines and the National Vaccine Advisory Committee.
A dedicated mentor and educator, Dr. Omer has trained and advised the next generation of public health leaders. He earned his Ph.D. in Global Disease Epidemiology and Control and his M.P.H. from Johns Hopkins University, following his medical degree from The Aga Khan University. Through his leadership and research, Dr. Omer continues to drive impactful public health initiatives worldwide, shaping policies that enhance vaccine uptake, prevent infectious diseases, and improve health outcomes globally.