He is an elected member of the National Academy of Medicine and has received awards for his research, including the Michael J McGinnis Award from the Interdisciplinary Association for Population Health Science, the Wade Hampton Frost and the Rema Lapouse Awards from the American Public Health Association, and the Robert S Laufer Award from the International Society for Traumatic Stress.[2] Galea is most known for his research on social and psychiatric epidemiology. His work has focused on the social causes of health, mental health, and trauma. His peer-reviewed academic articles include publications in JAMA, the New England Journal of Medicine, and The Lancet.[3] He has also edited and authored books including Well: What We Need to Talk About When We Talk About Health,[4]The Contagion Next Time,[5] and Healthier: Fifty Thoughts on the Foundations of Population Health.[6] In 2025, he became editor of JAMA Health Forum, a health policy journal.[7]
Early in his career, Galea worked as an emergency physician in Ontario district hospitals and as a project physician for Médecins Sans Frontières in Somalia. He then completed a Master of Public Health at the Harvard T.H. Chan School of Public Health in 2000, specializing in quantitative methods, followed by doctoral studies in Epidemiology at the Columbia University Mailman School of Public Health from 2000 to 2003.[8]
In 2025, he became the inaugural Margaret C. Ryan Dean of the School of Public Health at Washington University and the Eugene S. and Constance Kahn Distinguished Professor in Public Health.[12][13] He was also appointed as the Editor-in-Chief of Jama Health Forum.[14][15]
Galea, through his research, has expanded the understanding of how social factors affect health, of common mood-anxiety disorders and substance use in populations, and of the population mental health consequences of conflict and mass trauma, including those related to firearms. In 2006, his research on the 2003 SARS outbreak among Toronto healthcare workers was profiled in Time.[16] With over 1,000 peer-reviewed journal articles, his work has achieved an h-index of 161.[3]
Galea's research has highlighted the link between specific social environment factors and the incidence, comorbidity, and progression of anxiety, mood, and substance use disorders. By applying novel analytic methods, he advanced classic psychiatric epidemiology, emphasizing the impact of social and economic forces on these disorders. His work also focused into the causes and effects of accidental drug overdose, leading to public health interventions aimed at reducing overdose-related morbidity and mortality in urban areas.[17][18][19]
Galea developed a dynamic model of social and economic vulnerabilities to explain variations in population health and introduced innovative analytic methods to connect health outcomes with complex social processes.[20][21][22]
Galea's work also documented the mental health sequelae of many of the largest human-made and natural disasters worldwide. His research established that the impact of mass traumatic events extends beyond the immediate victims to populations not directly exposed to the events. Additionally, he also conducted inquiry into the consequences of trauma and conflict on military service members and reservists worldwide.[23][24][25][26]
Galea, S., Ahern, J., Resnick, H., Kilpatrick, D., Bucuvalas, M., Gold, J., & Vlahov, D. (2002). Psychological sequelae of the September 11 terrorist attacks in New York City. The New England Journal of Medicine, 346(13), 982-987.
Hawryluck, L., Gold, W. L., Robinson, S., Pogorski, S., Galea, S., & Styra, R. (2004). SARS control and psychological effects of quarantine, Toronto, Canada. Emerging Infectious Diseases, 10(7), 1206.
Galea, S., Nandi, A., & Vlahov, D. (2005). The epidemiology of post-traumatic stress disorder after disasters. Epidemiologic Reviews, 27(1), 78-91.
Bonanno, G. A., Galea, S., Bucciarelli, A., & Vlahov, D. (2006). Psychological resilience after disaster: New York City in the aftermath of the September 11th terrorist attack. Psychological Science, 17(3), 181-186.
Bonanno, G. A., Galea, S., Bucciarelli, A., & Vlahov, D. (2007). What predicts psychological resilience after disaster? The role of demographics, resources, and life stress. Journal of Consulting and Clinical Psychology, 75(5), 671.
Galea, S., & Tracy, M. (2007). Participation rates in epidemiologic studies. Annals of Epidemiology, 17(9), 643-653.
Ahern, J., Stuber, J., & Galea, S. (2007). Stigma, discrimination and the health of illicit drug users. Drug and Alcohol Dependence, 88(2-3), 188-196.
Neria, Y., Nandi, A., & Galea, S. (2008). Post-traumatic stress disorder following disasters: a systematic review. Psychological Medicine, 38(4), 467-480.
Kessler, R, Galea, S., Gruber, M. Sampson, Ursano, R., Wessely, S. (2008). Trends in mental illness and suicidality after Hurricane Katrina. Molecular Psychiatry 13 (4), 374-384
Sherrieb, K., Norris, F. H., & Galea, S. (2010). Measuring capacities for community resilience. Social Indicators Research, 99, 227-247.
Keyes, K. M., Cerdá, M., Brady, J. E., Havens, J. R., & Galea, S. (2014). Understanding the rural–urban differences in nonmedical prescription opioid use and abuse in the United States. American Journal of Public Health, 104(2), 52–59.
Lowe, S. R., & Galea, S. (2017). The mental health consequences of mass shootings. Trauma, Violence, & Abuse, 18(1), 62–82.
Weinberger, A. H., Gbedemah, M., Martinez, A. M., Nash, D., Galea, S., & Goodwin, R. D. (2018). Trends in depression prevalence in the USA from 2005 to 2015: Widening disparities in vulnerable groups. Psychological Medicine, 48(8), 1308–1315.
Galea, S., Merchant, R. M., & Lurie, N. (2020). The mental health consequences of COVID-19 and physical distancing: the need for prevention and early intervention. JAMA Internal Medicine, 180(6), 817-818.
Goodwin, R. D., Weinberger, A. H., Kim, J. H., Wu, M., & Galea, S. (2020). Trends in anxiety among adults in the United States, 2008–2018: Rapid increases among young adults. Journal of Psychiatric Research, 130, 441–446.
Ettman, C. K., Abdalla, S. M., Cohen, G. H., Sampson, L., Vivier, P. M., & Galea, S. (2020). Prevalence of depression symptoms in US adults before and during the COVID-19 pandemic. JAMA Network Open, 3(9), e2019686-e2019686.
Goodwin, R. D., Dierker, L. C., Wu, M., Galea, S., Hoven, C. W., & Weinberger, A. H. (2022). Trends in US depression prevalence from 2015 to 2020: The widening treatment gap. American Journal of Preventive Medicine, 63(5), 726–733.
Leung, C. M. C., Ho, M. K., Bharwani, A. A., Cogo-Moreira, H., Wang, Y., Chow, M. S. C., ... & Galea, S. (2022). Mental disorders following COVID-19 and other epidemics: A systematic review and meta-analysis. Translational Psychiatry, 12(1), 205.
Ettman, C.K., Hatton, C.R., Castrucci, B.C., Galea, S. (2025). Mental Health and Mental Health Care Utilization Across Political Affiliation in US Adults. Journal of Public Health Management & Practice 31 (1), 137-140