Marizen R. Ramirez
Biography
Marizen R. Ramirez, Ph.D., is Associate Dean for Diversity, Equity and Inclusion and Professor in the Department of Environmental and Occupational Health at the University of California, Irvine Wen School of Population & Public Health. She also serves as Co-Director of the California Center for Injury and Violence Prevention. Ramirez received her Ph.D. in Epidemiology from the University of California at Los Angeles in 2002.
Ramirez has built a research program focused on injury and violence prevention, with particular emphasis on school-based violence, trauma-informed care, and occupational injuries. She has served as principal investigator or multiple principal investigator on numerous federally funded studies, including projects supported by the National Institutes of Health, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, and the Patient-Centered Outcomes Research Institute. Her work includes the development and evaluation of Link for Equity, a culturally responsive trauma-informed care program for BIPOC students, and research examining the implementation and effectiveness of anti-bullying legislation. She previously held the Leon S. Robertson Professorship in Injury Prevention at the University of Minnesota and served as Associate Dean for Research and Director of the Midwest Center for Occupational Health and Safety.
Ramirez has published over 120 peer-reviewed articles and has mentored numerous graduate students and postdoctoral fellows. She serves on the editorial board of Injury Epidemiology and has participated in review panels for the Centers for Disease Control and Prevention and the National Institutes of Health. She is an elected board member of the Society for the Advancement of Violence and Injury Research and serves on the National Occupational Research Agenda Traumatic Injury Prevention Council.
Return to topEducation
- B.A. in Molecular Cell Biology, Emphasis in Neurobiology, Minor in Music, University of California at Berkeley, 1995
- M.P.H. in Epidemiology, University of California at Los Angeles, 1998
- Ph.D. in Epidemiology, University of California at Los Angeles, 2002
Distinctions
- Leon S. Robertson Professorship in Injury Prevention, 2021
- Community-Engaged Scholar Award, University of Minnesota, 2021
- California Alumni Scholar, University of California at Berkeley, 1991
- Distinguished Teaching Assistant of the Year, Department of Epidemiology, University of California at Los Angeles, 1999
- Abstract of the Year, American Public Health Association, Public Health Law Section, 2014
- Research Paper Award, International Society for Agricultural Safety and Health, 2017
- 1st Place Clinical Research Award, College of Surgeons Committee on Trauma, Resident Paper Competition, 2019
- Delta Omega Honorary Society, University of California at Los Angeles, 1998
- Faculty Teaching Award, University of Iowa College of Public Health, 2012
- Research Highlight, The Saban Research Institute of Children's Hospital Los Angeles, 2006
Areas of Expertise
- Injury Prevention Epidemiology
- School-Based Violence Interventions
- Occupational Injury Surveillance
- Agricultural Safety Hazards
- Anti-Bullying Policy Evaluation
- Trauma-Informed Care Programs
- Pediatric Emergency Preparedness
Recent Publications
- McFalls M., Ryan A., Virnig B.A., Kim H., Alexander B.H., Ramirez M.R., “Effects of Job Lock and Work Arrangements on the Incidence of Occupational Injuries to Older Workers in the Health and Retirement Study, 2010–2022” (opens in new tab), American Journal of Preventive Medicine, vol. 70, 2026.
- Harding A.B., Berman J.D., Tarr G.A.M., Erickson D.J., Ramirez M.R., “Emergency Department Visits During the Fall 2019 Public Safety Power Shutoff Events in California” (opens in new tab), Disaster Medicine and Public Health Preparedness, vol. 20, 2026.
- Woods-Jaeger B., Piper K., Elder A., Ash M., Gonzalez J., Renfro T., Ramirez M., “Addressing Racial Trauma in Schools: Perspectives from Students, Parents, and School Staff” (opens in new tab), Journal of Child and Adolescent Trauma, 2026.
- McFalls M, Virnig BA, Ryan A, Erickson DJ, Hyun K, Jarosek S, Alexander B, Ramirez MR, “Medicare work-related injuries: Underutilization of workers' compensation leads to higher out-of-pocket costs for older adults” (opens in new tab), Journal of Occupational and Environmental Medicine, vol. 67, no. 5, pp. 344-352, 2025.
- McFalls M, Virnig B, Ryan AD, Kim H, Alexander BH, Ramirez M, “Acute work-related injuries among older adults in the USA on Medicare, 2016–2019: a national longitudinal study” (opens in new tab), Injury Prevention, 2025.
- Harding A, Tarr GAM, Berman JD, Erickson EJ, Ramirez MR, “The association of Public Safety Power Shutoffs and motor vehicle crashes” (opens in new tab), Journal of Safety Research, vol. 93, pp. 248-155, 2025.
- Nguyen-Feng VN, Ramirez M, Behrens KL, Usset T, Claussen AM, Parikh RR, Lee EK, Mendenhall T, Wilt TJ, Butler M, “Trauma Informed Care: A systematic review”, Agency for Healthcare Research and Quality (US), 2025.
- Harding AB, Tarr GAM, Ramirez MR, “Only who can prevent forest fires? Causes of a subset of wildfires in California, 2010-2021” (opens in new tab), Natural Hazards Review, vol. 26, no. 4, 2025.
- Ramirez MR, Boonstra DE, Moskowitz AF, Gerr F, Cavanaugh JE, Casteel C, “Improving agricultural injury surveillance: comparing injuries captured by Iowa's workers' compensation and trauma registry data” (opens in new tab), Injury Prevention, 2025.
- Nam YS, Frazier PA, Everson-Rose S, Kim H, Ryan AD, Ramirez MR, “Work-related stress among sworn and non-sworn law enforcement personnel” (opens in new tab), International Journal of Police Science and Management, vol. 27, no. 2, pp. 131-43, 2025.
- Ramirez MR, Seedorff J, Cavanaugh JE, Ryan A, Xiong BN, Hatzenbuehler M, “Does implementation matter? Associations between implementation of Maine's anti-bullying law and bullying victimization among high school youth” (opens in new tab), Journal of Adolescent Health, vol. 74, no. 1, pp. 161-8, 2024.
- Waller DC, Wolfson J, Gingerich S, Ramirez M, Wright N, “Prediction of the Mechanism of Suicide amongst Minnesota Residents utilizing Data from the Minnesota Violent Death Reporting System (MNVDRS)” (opens in new tab), Injury Prevention, vol. 31, pp. 573-579, 2024.
- Morris K, Ashida S, Ramirez MR, Tarr G, “Stress as a driver of early COVID-19 pandemic fatigue: The time-varying relationship between stress and physical distancing adherence”, BMJ Public Health, vol. 2, no. 2, 2024.
- Ramirez MR, Ryan A, Harding A, Renfro T, Church T, Rosebush C, Grimes Trotter A, Xiong BN, Gonzalez J, Woods-Jaeger B, “Link for Equity, a community-engaged waitlist randomized controlled trial of a culturally responsive trauma-informed care program for BIPOC students: Design features and characteristics of baseline sample” (opens in new tab), Contemporary clinical trials, vol. 126, pp. 107090, 2023.
- Goldsmith ES, Krebs EE, Ramirez MR, MacLehose RF, “Opioid-related mortality in U.S. death certificate data: a quantitative bias analysis with expert elicitation of bias parameters” (opens in new tab), Epidemiology, vol. 34, no. 3, pp. 421-9, 2023.
- Casteel C, Faust K, Boonstra D, Gerr F, Cavanaugh J, Ramirez MR, “Development of a checklist to identify injury hazards on row crop farms” (opens in new tab), Journal of agricultural safety and health, vol. 29, no. 1, pp. 15-32, 2023.
- Ramirez MR, Gower AL, Brown C, Nam Y-S, Eisenberg ME, “How do schools respond to biased-based bullying? A qualitative study of management and prevention strategies in schools” (opens in new tab), School mental health, vol. 15, no. 2, pp. 508-18, 2023.
- Harding AB, Ramirez MR, Ryan AD, Xiong BN, Rosebush CE, Woods-Jaeger B, “Impacts of COVID-19 on Stress in Middle School Teachers and Staff in Minnesota: An Exploratory Study Using Random Forest Analysis” (opens in new tab), International Journal of Environmental Research and Public Health, vol. 20, no. 17, pp. 6698, 2023.
- Ramirez MR, Ryan AD, Lymn K, Burris S, Cook A, Cloud LK, Hatzenbuehler ML, “Building a Comprehensive, Longitudinal Dataset to Advance Research on the Efficacy of State-Level Anti-bullying Legislation: 1999-2017” (opens in new tab), Trauma, Violence and Abuse, vol. 25, pp. 2598-2608, 2023.
- Casteel C, Peek-Asa C, Espinosa RO, Rugala EA, Ramirez M, “Tabletop scenario exercises as a training tool for improving response to workplace violence” (opens in new tab), Security Journal, vol. 36, pp. 1-15, 2022.
Most Cited Publications
- Oral R, Ramirez M, Coohey C, Nakada S, Walz A, Kuntz A, Benoit J, Peek-Asa C, “Adverse childhood experiences and trauma informed care: the future of health care” (opens in new tab), Pediatric Research, vol. 79, no. 1-2, pp. 227, 2015.
- Hatzenbueher ML, Schwab-Reese L, Ranapurwala SI, Hertz MF, Ramirez MR, “Associations between antibullying policies and bullying in 25 states” (opens in new tab), JAMA Pediatrics, vol. 169, no. 10, pp. e152411-e152411, 2015.
- Ramirez M, Peek-Asa C, “Epidemiology of traumatic injuries from earthquakes” (opens in new tab), Epidemiologic Reviews, vol. 27, pp. 47-55, 2005.
- Peek-Asa C, Ramirez M, Seligson H, Shoaf K, “Seismic, structural, and individual factors associated with earthquake-related injury” (opens in new tab), Injury Prevention, vol. 9, no. 1, pp. 62-66, 2003.
- Ringgenberg W, Peek-Asa C, Donham K, Ramirez MR, “Trends and Characteristics of Occupational Suicide and Homicide in Farmers and Agriculture Workers, 1992-2010” (opens in new tab), Journal of Rural Health, vol. 34, no. 3, pp. 246-253, 2017.
- Sahker E, Toussaint M, Ramirez M, Ali SR, Arndt S, “Evaluating racial disparity in referral source and successful completion of substance abuse treatment” (opens in new tab), Addictive Behaviors, vol. 48, pp. 25-9, 2015.
- Ramirez M, Schaffer KB, Shen H, Kashani S, Kraus JF, “Injuries to high school football athletes in California” (opens in new tab), American Journal of Sports Medicine, vol. 34, no. 7, pp. 1147-58, 2006.
- Britton C, Lynch C, Ramirez M, Torner J, Peek-Asa C, “Epidemiology of injuries to wildland firefighters” (opens in new tab), American Journal of Emergency Medicine, vol. 31, no. 2, pp. 339-345, 2013.
- Henning-Smith CE, Hernandez AM, Hardeman RR, Ramirez MR, Kozhimannil KB, “Rural lives lost: counties with majority Black or Indigenous populations suffer highest rates of premature death” (opens in new tab), Health Affairs, vol. 38, no. 12, pp. 2019-2026, 2019.
- Peek-Asa C, Ramirez MR, Shoaf K, Seligson H, Kraus JF, “GIS mapping of earthquake related deaths and hospital admissions from the 1994 Northridge, California, Earthquake” (opens in new tab), Annals of Epidemiology, vol. 10, no. 1, pp. 5-13, 2000.
Contact Information
Email: marizenr@uci.edu
Address: 5608 Susan & Henry Samueli College of Health Sciences
Return to topThis profile was created with the help of AI.
Last updated on 5/14/2026.