Jonathan Fielding


Jonathan Fielding is the Director of Public Health and Health Officer for Los Angeles County, where he is responsible for the full range of public health activities for 10 million county residents. He oversees issues related to environmental health, disease control, health education, health assessment and chronic diseases.

Dr. Fielding is also a Professor of Health Services and Pediatrics and Co-Director of the UCLA Center for Healthier Children, Families and Communities. His areas of expertise include the development of clinical preventive services guidelines; prevention economics and financing; and health promotion for children, adults and families in community, clinical and occupational settings. He has raised awareness of the impact of the physical and social environment of residents on their health and implemented programs to address these issues.

In February 2012, Dr. Fielding and his wife Karin, made a $50 million gift to UCLA’s School of Public Health, the largest since the creation of the school in 1962. In honor of their generosity, the school is now the UCLA Jonathan and Karin Fielding School of Public Health.

Dr. Fielding formerly served as the Founding Board Member, Chairman of the Board and member of the Executive Committee of The California Wellness Foundation, the largest U.S. foundation devoted to disease prevention and health promotion. Further, he has served or currently serves on state and federal advisory committees pertaining to public health. Examples include the Committee on the 2020 Health Objectives for the Nation, the California Department of Public Health Advisory Committee, and President Obama’s Advisory Group on Prevention, Health Promotion, and Integrative Public Health.

Dr. Fielding is the author of over 150 scientific articles and chapters, editor of Annual Review of Public Health, and Associate Editor of the textbook Public Health and Preventive Medicine.