Dr. Abdhalah K. Ziraba is an epidemiologist and currently the theme leader of the Infectious Diseases and Environmental Health at the African Population and Health Research Center (APHRC). He joined APHRC in 2003 as a research trainee and in 2008 he left for the London School of Hygiene and Tropical Medicine (LSHTM) for his PhD in Epidemiology and Population Health. He rejoined APHRC in 2012 and has been working on several projects including Accountability Framework for Health, Incidence of Unsafe Abortion in Kenya, policy synthesis to support Africa Constituencies of the Global Fund and Urban ARK project. Under the Urban Ark project, he is supporting work on understanding vulnerabilities, capacity and loss of health attributable to poor urban solid waste management.Prior to joining APHRC, he attained a Masters in Epidemiology and Biostatistics and Bachelors degree in Medicine from Makerere University and worked as Medical Officer with the Ministry of Health, Uganda. His research areas of interest include infectious diseases-including HIV/AIDS, reproductive, maternal and child health and health systems strengthening research from which he has published several peer reviewed articles.