Associate Medical Director for Prevention, Los Angeles County Department of Public Health Dr. Lello Tesema is the Associate Medical Director for Prevention at the Los Angeles County Department of Public Health Division of Substance Abuse Prevention & Control (SAPC). Prior to joining SAPC, she was Director of Population Health and the Los Angeles County Correctional Health Services. Her interests include harm reduction, social determinants of health, and public health advocacy for marginalized populations including the justice-involved and people who use drugs. She is a graduate of Mount Sinai School of Medicine, completed her residency at Cambridge Health Alliance, and Robert Wood Johnson Foundation Clinical Scholar at UCLA where she also obtained a Masters in Health Policy and Management.