Nicholas Moss, MD

Dr. Nicholas Moss is the Alameda County Health Officer, a position he has held since 2020. He is a member of the executive team at Alameda County Health and sits within the Public Health Department. As Health Officer he supports efforts to monitor and respond to chronic and emerging health issues impacting residents of Alameda County. He first joined the Public Health Department in 2013 as the HIV STD Section Director and then served as Acting Director of the Division of Communicable Disease Control prior to becoming Health Officer. He helped lead the County COVID-19 response and has worked on many communicable disease issues including local responses to measles, Ebola and Zika. As Health Officer he also focuses on climate health impacts, violence prevention, health emergency preparedness and environmental health, among other areas. He worked on HIV prevention at the San Francisco Department of Public Health before coming to Alameda County.

Dr. Moss is an infectious disease medicine specialist and medical epidemiologist by training. He was born in the Bay Area and is a graduate of UC Berkeley. He received his medical degree from the UC Irvine School of Medicine, then trained in internal and infectious disease medicine and public health at the University of Washington in Seattle.