Dr. Aimee Sisson has served as Placer County’s Health Officer and Deputy Director since 2019. She is responsible for protecting and promoting community health throughout the county. Prior to coming to Placer County, Dr. Sisson served in various capacities at the California Department of Public Health for over 10 years. Most recently, she directed training programs in preventive medicine and epidemiology, and prior to that was involved in projects addressing chronic disease prevention and control, climate change, health in all policies, and mental health disparities.
Dr. Sisson received a Bachelor of Science degree in Biochemistry from Loyola Marymount University, a Master of Public Health (MPH) degree in Epidemiology from the University of California, Davis, and a Doctor of Medicine (MD) degree from the University of California, Los Angeles. She completed residency training in preventive medicine at the California Department of Public Health. Dr. Sisson is board certified in General Preventive Medicine and Public Health by the American Board of Preventive Medicine and is a Fellow in the American College of Preventive Medicine.
Dr. Sisson serves as a Placer County First 5 Commissioner; as a member of the Health Officers Association of California (HOAC), California Conference of Local Health Officers (CCLHO), and County Health Executives Association of California (CHEAC); as a board member of the California Academy of Preventive Medicine (CAPM); and as a member of the volunteer clinical faculty (Assistant Professor) in the University of California, Davis, Department of Public Health Sciences.