About our Health Officer

Ethan Johnson, DrPH, MPH

Dr. Ethan Johnson began his role as the Interim Administrator for the Florida Department of Health in Lake County in September of 2025. He's currently the Administrator for the Florida Department of Health in Seminole County. Previously, he served as the Assistant County Health Department Director at the Florida Department of Health in Volusia County. In this role, he oversaw public health communications, strategic planning, quality improvement, community health improvement, health informatics, WIC, community outreach, and school health. His office also led special projects such as Overdose Data to Action, program evaluations, and other community engagement initiatives

Prior to his leadership roles, he worked in both community health and environmental health programs. Outside of the Florida Department of Health, he has worked and volunteered as a program evaluator, grant reviewer, data analyst, and strategic planner for several public health and non-profit organizations. He also spent several years as an adjunct professor in Bethune-Cookman University’s College of Health Sciences.

To enhance his engagement with the community, Dr. Johnson serves Seminole County through membership on several boards. He is a member of Leadership Seminole’s Board of Directors, The Seminole County Healthy Start Coalition Board, HCA Florida Lake Monroe Hospital Board of Trustees, The American Muslim Clinic Board, Hope Helps Board of Directors, and The Unity Youth Association Advisory Board. Additionally, he is engaged in broader public health initiatives as the Co-Chair of the National Association of County and City Health Official’s Workforce Workgroup and the Co-Health Officer Representative for the Florida Public Health Association Board of Directors.

Dr. Johnson holds a Bachelor of Science in Health Services Administration from University of Central Florida, a Master of Public Health in Health Promotion and Behavior from Georgia State University, and a Doctorate in Public Health focused on Public Health Leadership from University of South Florida. Responsiveness, relationships, accountability, and accuracy are his leadership priorities.