Dr. Cassius Lockett is the District Health Officer for the Southern Nevada Health District, providing executive leadership and strategic direction for one of the nation’s largest local public health agencies. With more than two decades of experience, Dr. Lockett previously served as the District’s Deputy District Health Officer, Director of Disease Surveillance and Control, and Director of Community Health. From 2016 to 2021, he led San Mateo County Health as its Public Health Director. Earlier in his career, he was Chief Epidemiologist for Sacramento County and served as an Epidemic Intelligence Service Officer with the Centers for Disease Control and Prevention. Dr. Lockett also spent nearly 10 years teaching epidemiology, public health informatics, and infectious disease at Walden University. He holds degrees in Dietetics, Nutritional Science, and Nutrition/Epidemiology from the University of California, Davis, and a certificate in Clinical Informatics from Oregon Health & Science University.