Joan Mihigo was born in Kigali, Rwanda. He graduated from Kigali Institute of Science and Technology, with a degree awarded in Food Science and Technology in 2007. He was certified from the School of Public Health in Program Management for his contribution to the multi-sector fight against HIV/AIDS. He participated in national agriculture research as a Data Field Collector conducted by the National Institute of Statistics of Rwanda and in research conducted by the World Food Programme titled Comprehensive Food Security. In addition, he worked as a data entry clerk for the Nutrition Assessment Survey and as a Coordinator and Program Manager for people living with HIV/AIDS.