Director's Message

Dr. Jonathan E. Fielding picture
 Dr. Jonathan E. Fielding M.D., M.P.H.

Our mission is to protect and improve the health of all Angelenos. This means providing you and your family with protection from the health threats such as food-borne illnesses, natural and man-made disasters, toxic exposures, and preventable injury. Public Health also works to prevent chronic diseases, such as heart disease, cancer, and diabetes and their risk factors: poor nutrition, inadequate physical activity, and tobacco use.


Our Web site is as diverse as the communities we serve. Here, you will find information and links for nearly every health concern. Included are the most popular health topics, current health warnings and advisories, food facility grades, and our Beach Closures and Advisories.

Your Public Health department is committed to being a helpful resource to every individual in the county.

We aim to present the public with the information and resources necessary to pursuing and achieving healthy lives. We welcome your suggestions and comments.

Director's Biography

 Dr. Jonathan E. Fielding M.D., M.P.H.

Jonathan E. Fielding, MD, MPH, MBA, is the Director of Los Angeles County Department of Public Health and the County Health Officer, responsible for all public health functions including surveillance and control of both communicable and non-communicable diseases, and of health protection (including against bioterrorism) for the County’s 10 million residents. He directs a staff of 4,000 with an annual budget exceeding $750 million. He is also Vice-Chair of the Los Angeles First 5 Commission, which grants over $100 million per year to improve the health and development of children 0-5.

Dr. Fielding chairs the US Community Preventive Services Task Force and was a founding member of the US Clinical Preventive Services Task Force. He also chairs the Secretary’s Advisory Committee on National Health Promotion and Disease Prevention Objectives for 2020 and was appointed to the California Department of Public Health Advisory Board. Dr. Fielding is a Professor in the Schools of Medicine and Public Health at UCLA, and has authored over 175 peer reviewed publications, editorials and book chapters on public health, health policy, health economics, and evidence-based public health practice issues. He is Editor of the Annual Review of Public Health and Chairman of Partnership for Prevention. He also serves on the Board of the American Legacy Foundation and is an elected member in the National Academy of Sciences Institute of Medicine. He received his medical and public health degrees from Harvard University, and an M.B.A. in Finance from the Wharton School of Business. He formerly served as Massachusetts Commissioner of Public Health Massachusetts and Vice President of Johnson & Johnson. Dr. Fielding has received numerous awards, including the Sedgwick Memorial Medal from the American Public Health Association and the Distinguished Alumni Achievement award from the Harvard School of Public Health.