Chengbo Zeng is currently a PhD student at the Department of Health Promotion, Education, and Behavior. He works under the supervision of Dr. Xiaoming Li. He earned his Master degree in Epidemiology and Biostatistics from Sun Yat-sen University and Bachelor degree in Preventive Medicine from Guangdong Pharmaceutical University. His research interests are quantitative analytical methods and the mental health of people living with HIV (PLWH). His graduate studies were developing mobile health intervention to reduce depression among PLWH and applying statistical models to examine intervention mechanisms in randomized controlled trials. His current research topic in CHQ focuses on HIV prevention and health promotion.