Professional Profile
Ms. Grégoire is a Senior Analyst at the Johns Hopkins Center for Health Security and a Research Associate in the Department of Environmental Health and Engineering at the Johns Hopkins Bloomberg School of Public Health. Her primary research interests include global health security, public health planning for mass gatherings, and public health emergency preparedness and response.
Ms. Grégoire’s current projects at the Center focus on strengthening health systems; improving regional public health emergency preparedness and response; analyzing and countering hybrid chemical, biological, radiological, and nuclear (CBRN) threats; developing effective public health communication strategies.
Some of her past efforts include analyzing safety protocols for mitigating disease spread at the Olympic Games; establishing standards for what, when, and how to report information about an outbreak to the public; developing a coordinated UN strategy for a deliberate event response; establishing the Center for Outbreak Response Innovation; and exploring the challenges faced by hospital systems during the pandemic and strategies to overcome them.
Before joining the Center, Ms. Grégoire was a professional athlete, competing in France’s Division 1 Féminine as a member of the ASJ Soyaux-Charente football team. She also completed a year-long internship at Children’s Hospital Los Angeles, contributing to orthopedic clinical research on scoliosis, kyphosis, fractures, and growth plate injuries, and supervising the Center for Achievement of Teens and Children with Hand Differences.
Ms. Grégoire received an MSc in global health policy from the London School of Hygiene & Tropical Medicine, University of London, and a BA in anthropology with a certificate in global health and health policy from Princeton University.
Recent Publications
Mullen L, Mui AK, Grégoire V, et al. Understanding the development and analyzing the implementation of the Tokyo 2020 and Beijing 2022 playbooks to mitigate COVID-19 spread: recommendations for future games. Journal of Science and Medicine in Sport. 2026;0(0). doi:10.1016/j.jsams.2026.01.010
Grégoire V, Zhu AW, Brown CM, et al. Public reporting guidelines for outbreak data: Enabling accountability for effective outbreak response by developing standards for transparency and uniformity. Public Health. 2026;251:106102. doi:10.1016/j.puhe.2025.106102
Mullen L, Mitcham D, Kobokovich Mui A, Linder A, Grégoire V, Watson C, McCloskey B, Hughes G, Heymann D, Bonell C (2025) “An analysis of the Tokyo 2020 and Beijing 2022 safety protocols in mitigating COVID-19 spread: A case study of the testing data,” Mass Gathering Medicine, 4, p. 100022. doi:10.1016/j.mgmed.2025.100022
