Dennis Chimenya has a career focused on Communication for Development (C4D)/Social and Behaviour Change. Dennis currently works as Chief of C4D with UNICEF Yemen. Before his current role, Dennis worked as communication lead for the polio program in Pakistan, communication for development manager for the polio program in Afghanistan and earlier as communication and community engagement coordinator for the Ebola response in Sierra Leone.

Dennis has a BA from the University of Malawi. He later pursued studies in public health focused on health promotion. He holds a Masters in Public Health from the University of Sheffield, UK.